You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me in reserving the ticket from DEN to PHX?

ASSISTANT: Can you please help me with your travelling dates?

USER: I would like to travel on Nov 14 and again I will return back on Nov 16.

ASSISTANT: Will you please mention your name?

USER: Myself Melissa White.

ASSISTANT: Is there any connection limit?

USER: I am comfort to travel in single connection flight.

ASSISTANT: Ok, do you have any other requirements?

USER: No, I don't have any other specifications.

ASSISTANT: There is no flights found with your required dates to travel.

USER: Not a big deal, anyhow thank you very much for your kind information.

ASSISTANT: Thank you for reaching us.