You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you?

USER: I would like to travel from Dallas, DFW to San Francisco, SFO as a holiday trip.

ASSISTANT: Ok.

USER: Can you do the reservation?

ASSISTANT: Sure. Can you provide your travelling dates?

USER: Dates are 01/08 and 01/10.

ASSISTANT: Let me know your name?

USER: Dennis Lopez here.

ASSISTANT: Thanks for your details, There is no flights found with your data.

USER: No problem, I will check with another airline.

ASSISTANT: Thanks for choosing us.

USER: Thanks for kind service.