You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Rachel Smith.

ASSISTANT: How may I be your helping hand?

USER: I am planning to go for long drive with my loved one on 07/29.

ASSISTANT: Ok.

USER: So, will you be my helping hand in reserving a flight ticket to Dallas & Fort Worth, DFW?

ASSISTANT: Sure. When you are going to return?

USER: My return will be on 07/31.

ASSISTANT: Kindly mention your source code.

USER: I would like to board from San Francisco, SFO.

ASSISTANT: Is there any connection limit for you?

USER: Yes, there should be a lay by.

ASSISTANT: Thanks for your details. I found a direct flight for you. Is it comfortable?

USER: No, do not proceed.

ASSISTANT: Ok.

USER: Thank you for your kind information.

ASSISTANT: Thank you for opting us.