You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Pamela Jones. I would like to book a flight ticket from LAS to IAD.

ASSISTANT: Sure, may I know your planned travel dates please?

USER: I am planning to move on 05/07 and return back on 05/09.

ASSISTANT: I found a flight 1027 of Spirit airlines matches with your preferences, can I proceed?

USER: Yes, please proceed the booking process.

ASSISTANT: Your ticket is booked.

USER: Thank you for your service.

ASSISTANT: You are welcome.