You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: David Moore here.

ASSISTANT: How can I assist you today?

USER: Can you please check for the flights from DFW to PHX for my business trip?

ASSISTANT: Please share your travelling dates.

USER: My journey dates are from Nov 17th to Nov 19th.

ASSISTANT: Do you need any connection limit?

USER: I need 1 connecting flight.

ASSISTANT: May I know your depart and arrival time?

USER: My depart time is in evening.

ASSISTANT: Do you have any specific class?

USER: No, thanks for asking.

ASSISTANT: Please wait a while.

USER: Ok, please be quick.

ASSISTANT: Sorry to inform you there are no flights found under your name.

USER: No issues, thank you for checking.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.