You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: Can you help me in booking my flight ticket from DEN to SEA?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: When are you planning to start and return?

USER: My planned dates of journey are Nov 20 and Nov 22.

ASSISTANT: Ok, please specify your name.

USER: My name is Jack Hall.

ASSISTANT: In which class, you prefer to go?

USER: I am ok with any class.

ASSISTANT: Is there any other concerns?

USER: I prefer connecting flight for this trip.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connecting flight with a fare of 100 in 1012 Delta Airlines. Shall I proceed?

USER: Please book my ticket in this flight.

ASSISTANT: Ok, your ticket has been confirmed in economy class.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.