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

ASSISTANT: Hello,. How shall I help you?

USER: I would like to surprise my faculty at Washington. Can you please book me a flight ticket from Houston?

ASSISTANT: Sure. Please help me with travelling airport codes.

USER: Sure, airport codes are from HOU to IAD.

ASSISTANT: Please provide your travel dates.

USER: 06/07 and 06/09 are my travelling dates.

ASSISTANT: Flight ticket can be booked with airline UA, for price 100. Flight connections is 1 with number 1000.

USER: Please proceed for booking.

ASSISTANT: Your ticket is booked from Houston.

USER: Thanks for booking my ticket.

ASSISTANT: Thanks.