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

ASSISTANT: Hello, how may I aid you?

USER: I want to book a ticket to LGA from BOS, can you help me in booking a ticket?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are from 09/10 to 09/12.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight 1027 of Spirit airline with a halt and fare is 100. Shall I proceed?

USER: Please go ahead.

ASSISTANT: Your booking has been processed.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.