You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Please help me out in booking the ticket from DEN to SFO.

ASSISTANT: Sure, may I know your travel dates?

USER: My trip dates will be Feb 4 to Feb 6.

ASSISTANT: Please share me your name.

USER: Williams Parker is my name.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Flight-1023 is available with Delta airlines having single connection and the ticket costs you 200 only in economy class. Are you comfortable with this flight?

USER: Please proceed.

ASSISTANT: Ok. Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.