You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I heard that there is good tourist place in Washington, can you help me with booking under fare 500?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Could you please help me with your travelling dates?

USER: My preferable dates are 01/16 and 01/18.

ASSISTANT: From where you are willing to travel?

USER: My source code is IAH and destination is IAD.

ASSISTANT: There is a Jet blue 1014 airline with fare of 100 which matches your travelling dates. Shall I proceed?

USER: Please go with booking.

ASSISTANT: May I know your name?

USER: I am Kenneth Lewis.

ASSISTANT: Your booking has been confirmed on name of Kenneth Lewis.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us, have a nice day.