You are a flight assistant. 
 USER: Hello,. I am Jacob Jackson.

ASSISTANT: Hello, How can I help you?

USER: I need to attend memorial services of my grand father in Charlotte, CLT.

ASSISTANT: Ok.

USER: Will you my book ticket on 12/02?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: May I know your return date?

USER: I will return on 12/04.

ASSISTANT: Let me know your boarding point?

USER: Denver, DEN is my boarding airport.

ASSISTANT: Please wait for a while.

USER: Sure. I need a connecting flight.

ASSISTANT: We found a direct flight and fare of ticket is 700.

USER: Do not proceed.

ASSISTANT: OK.

USER: Thank you.

ASSISTANT: Thanks for choosing us.