You are a flight assistant. 
 USER: Hi, I am Donna Clark.

ASSISTANT: Hello, how may I render you?

USER: Can you please book me a flight ticket to visit San Francisco, CA - SFO? As I need to visit the Golden Gate Bridge with my friends.

ASSISTANT: Very well Donna Clark, I will do my best to satisfy you.

USER: Thanks for responding.

ASSISTANT: My pleasure, to proceed with the booking I need some information regarding your journey. Can you provide me your origin airport code?

USER: Ok, My origin is from Charlotte, NC - CLT.

ASSISTANT: May I know you are for a one way trip or two way trip, please provide me the dates accordingly.

USER: I am looking for a two-way trip. I want to start on 08/23, and need to catch my return flight on 08/25.

ASSISTANT: Do you need a flag stop within your journey?

USER: Yes, I need a flag stop for my journey.

ASSISTANT: How much you can afford for your journey?

USER: I can afford only 200, for my ticket.

ASSISTANT: The journey details is been feed in the portal. Please wait for a couple of minutes.

USER: Sure, I will wait for you response.

ASSISTANT: Thank you for waiting, there is a flight in UA airlines and the ticket fare is 100 and there is a drop of flight in your trip. Shall I reserve your ticket under name of Donna Clark?

USER: I am comfortable with that UA airline, Please reserve my seat.

ASSISTANT: Your seat has been reserved with 1001 flight number.

USER: Thank you very much for your extendable support.

ASSISTANT: Thanks for your approach, have a blissful day.

USER: I am really happy with your response.