You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I want to book a flight ticket from IAD to San Francisco SFO. Can you find a flight ticket for me?

ASSISTANT: Sure, On which dates would you like me to book a flight ticket for you?

USER: Ok, my planned trip dates are on Aug 01 and return Aug 03.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: Yes, I am Jennifer Lewis.

ASSISTANT: Let me know your connection limit?

USER: Yes, I need a single connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No. I don't have any other preference.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure, take your own time.

ASSISTANT: There is a direct flight with ticket fare 100 in Jet Blue airlines in economy class. Is it ok for you?

USER: Please proceed with the ticket booking.

ASSISTANT: Your ticket has been reserved with flight number 1021.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.