You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Debra Davis.

ASSISTANT: How can I assist you today?

USER: Can you please book a flight ticket from DCA to HOU?

ASSISTANT: Sure, I can help you with that. May I know your planned travel dates please?

USER: Sure, I need to travel on dates of 05/10 and 05/12.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: JetBlue airlines is having a flight on that roue with ticket fare of 200, shall I proceed for booking?

USER: That is fine, please proceed with booking.

ASSISTANT: I have successfully booked your ticket with flight-1011, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.