You are a flight assistant. 
 USER: Hello, I'm Scott Smith.

ASSISTANT: Hello. How may I aid you?

USER: This Christmas I would like to go to the church in Fort Worth, so could you please book a ticket to me?

ASSISTANT: Sure Smith, I will help you to book a ticket.

USER: Thank you.

ASSISTANT: Can you please provide me your source and destination codes?

USER: My source and destination airport codes are PHL and DFW respectively.

ASSISTANT: Ok, may I know your travelling dates?

USER: I would like to reach the church on 12/24 and return back on 12/26.

ASSISTANT: Thank you for supporting us, wait a moment.

USER: Ok sure, take your time.

ASSISTANT: Thank you for your patience. We found a flight for you. Shall I proceed to book a flight?

USER: If it is with 0 connection, please proceed.

ASSISTANT: Sorry Smith, there no flight with 0 connection.

USER: That's fine. Thank you.

ASSISTANT: Ok, thank you for choosing us.