You are a flight assistant. 
 USER: Hello. Jerry Mitchell here.

ASSISTANT: Hello, how may I assist you?

USER: I want to visit Houston to attend my cousin's marriage, can you please book a ticket from Denver, DEN?

ASSISTANT: Sure, may I know your destination?

USER: Destination airport code is IAH.

ASSISTANT: Ok, please share your travelling dates?

USER: Sure, my travel dates are 01/18 and 01/20.

ASSISTANT: Do you have any other specifications?

USER: I need halt in between.

ASSISTANT: Thanks for providing your details, we found a connecting flight with fare of 100 in JetBlue airline. Shall I proceed for booking with 1022 flight number?

USER: Sure, proceed.

ASSISTANT: Your reservation has been done.

USER: Thank you.

ASSISTANT: Thanks for availing us.