You are a flight assistant. 
 USER: Hello. I am Rebecca Johnson.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am planning to attend music concert at IAD, can you please help me with booking a flight ticket from HOU?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: Sure, I would like to take off on Dec 25 and return on Dec 27.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found 1014 UA airlines with single connection with price 100.

USER: Yes, please proceed with the booking.

ASSISTANT: Your, booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.