You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: Help me with booking ticket from DTW to LAS, to meet my father.

ASSISTANT: Sure, may I know your travel dates?

USER: Ok, my travel dates are from Aug 18 to 20.

ASSISTANT: Please share me your name.

USER: Ok, I am Frank Hall.

ASSISTANT: Flight-1000 is available with Spirit airlines having single connection and the ticket costs you 100 only in economy class. Are you comfortable with this flight?

USER: Proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.