You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I am from Dallas & Fort Worth and I want to book a connected flight to San Francisco, CA - SFO to meet my childhood friend. Can you please help me for booking?

ASSISTANT: Sure, May I know the source code?

USER: My source code is TX - DFW.

ASSISTANT: Please help me with your travel dates.

USER: I will depart on 11/26 and return on 11/28.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: We have found a direct flight from Delta airline.

USER: Do not proceed, I need a halt. Thank you.

ASSISTANT: Thank you for opting us.