You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am James Lewis.

ASSISTANT: Can you please let me know how may I help you?

USER: I want to book a flight ticket to meet my grandmother from Phoenix PHX to Dallas DFW. Can you make a reservation for me?

ASSISTANT: Sure, I am here to help you with the ticket booking.

USER: Thank you for considering my request.

ASSISTANT: May I know your planned travel dates?

USER: Ok, my planned trip dates are on Jan 4 and return on Jan 6.

ASSISTANT: Ok, do you have any specifications related to connections?

USER: Yes, I am looking for the direct flight.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: Sorry to inform you that, there are no direct flights running in this route on the dates you have given.

USER: That's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for approaching us.