You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Would you please help me to book flight ticket from PHX to PHL?

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates?

USER: My journey dates are Jan 6th and Jan 8th.

ASSISTANT: May I know your connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any class preference?

USER: I prefer a business class.

ASSISTANT: May I know your departure and arrival time?

USER: I am comfortable with any timings.

ASSISTANT: Do you have any other requirements?

USER: I do not have any other requirements.

ASSISTANT: Ok, please let me know your name to proceed further.

USER: I am John Hall.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: That's ok, thank you for the help.

ASSISTANT: Thank you for choosing us.