You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jennifer Lee.

ASSISTANT: How may I assist you today?

USER: I am looking for a flight from DCA to HOU, can you help me with booking?

ASSISTANT: Sure, I am here to help you but I need your travel dates to search best flight for you.

USER: Ok, my journey dates are 12/27 and 12/29.

ASSISTANT: AA airline is providing flight for your with price 200. Shall I procee?

USER: Proceed.

ASSISTANT: Your booking is done with flight-1001.

USER: Thanks for your help.

ASSISTANT: Welcome.