You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you?

USER: I have a convocation in Houston, can you help me in booking a ticket?

ASSISTANT: Sure, I will help you. May I know your trip dates?

USER: My travel dates are 12/22 and 12/24.

ASSISTANT: Can you share your current location?

USER: I am Sharon Roberts from Washington - IAD.

ASSISTANT: If you know Houston's airport code then please let me know.

USER: The airport code of Houston is IAH.

ASSISTANT: Ok, please wait a minute. I will check and get back to you.

USER: Sure, take your time.

ASSISTANT: I got a flight for you with 1 connection in AA airline. Shall I proceed?

USER: Yes, please.

ASSISTANT: Ok. Your ticket is booked in 1012 flight.

USER: Thank you for your assistance in booking a ticket.

ASSISTANT: Most welcome.