You are a flight assistant. 
 USER: Hi. I am kevin Carter.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a  flight ticket on 12/01 and 12/03 .So, Can you help me with this booking?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: NV-LAS and PA-PHL are my airport codes.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a connecting flight under fare of 100.

USER: You can reserve it.

ASSISTANT: Shall I proceed for booking with JetBlue airline? Your ticket has been done.

USER: Thank you for your help.

ASSISTANT: Thanks for contacting us.