You are a flight assistant. 
 USER: Hello, I am Raymond Williams.

ASSISTANT: Hello, how can I help you?

USER: Can you please book me a ticket from IAD to DEN?

ASSISTANT: Sure, please share me your travelling dates?

USER: I would like to leave between 06/07 and 06/09.

ASSISTANT: How much can you afford for flight ticket?

USER: I can afford up to 5000.

ASSISTANT: Please wait for sometime, I will check and revert to you.

USER: Ok.

ASSISTANT: We found a flight with Hawaiian airline of flight 1017. Shall I proceed for booking?

USER: Ok, please book this ticket.

ASSISTANT: Your seat has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.