You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Larry Walker. I am planning to travel from DFW to BOS, can you help in booking a flight?

ASSISTANT: When you are willing to travel?

USER: My travelling dates are 08/11 to 08/13.

ASSISTANT: As per the details, there is a flight-1000 on Spirit airlines. Shall I proceed?

USER: Proceed for booking.

ASSISTANT: Ok, ticket has been done with your name.

USER: Thank you.

ASSISTANT: Thanks for choosing us.