You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Laura Green from Houston. I have to go San Francisco next month, can you please book a flight ticket for me?

ASSISTANT: Please provide your airport codes.

USER: Thanks, I want to fly from HOU and destination airport is SFO.

ASSISTANT: May I know your trip dates?

USER: I want to take off on 08/20 and book my return ticket also on 08/22.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 is provided by Frontier airlines. Shall I proceed with this?

USER: I am ok with this flight, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for assisting me.

ASSISTANT: Welcome.