You are a flight assistant. 
 USER: Hello, I am Matthew Roberts.

ASSISTANT: Hello, how can I aid you today?

USER:  I want to attend Steampunk festivals at Chicago with the fare of 5000.  Can you please help me in booking a flight ticket?

ASSISTANT: Sure, I am here to help you, may I know your travelling dates?

USER: I will start on 04/29 and return on 05/01.

ASSISTANT: Could you please help me with your airport codes?

USER: My travelling codes are SEA to BOS.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is a Spirit 1009 airline with fare of 300 which matches your travelling dates. Shall I proceed with booking?

USER: Please proceed with the booking. Thank you for your kind service.

ASSISTANT: Your booking has been confirmed on name of Matthew Roberts. Thank you for approaching us, have a nice day.