You are a flight assistant. 
 USER: Hello, I am Jeffrey Robinson.

ASSISTANT: Hello, how best can I aid you?

USER:  I want to book a flight ticket to attend in IAD. International Auto Show, they are exhibiting more than 400 vehicles from many branded companies.

ASSISTANT: Sure, please provide your travel dates?

USER: My travelling dates are from 12/03 to 12/05.

ASSISTANT: May I know your source code?

USER: My source code is IAH.

ASSISTANT: Ok, please wait a moment.

USER: OK.

ASSISTANT: We found an airline Spirit with fare 200 having a single c.onnection. Shall I proceed with booking?

USER: You can proceed with booking.

ASSISTANT: Your booking has been confirmed with flight 1008.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.