You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I am Christopher Perez. Can you please book a flight ticket to visit Lake Washington Ship Canal in Seattle, SEA?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are, depart on 03/07 and arrival on 03/09.

ASSISTANT: Please share me your origin airport code?

USER: My origin airport code is DFW.

ASSISTANT: We found a flight on your details with airline UA, flight number: 1007. Shall I book this ticket?

USER: Ok, proceed.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thank you.