You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to attend music concert at LAX, can you please help me with booking a flight ticket from PHX?

ASSISTANT: Sure, may I know your travelling dates?

USER: I would like to take off on Sept 11 and return on Sept 13.

ASSISTANT: On which name shall I reserve flight ticket?

USER: Reserve the flight ticket under the name Donald Moore.

ASSISTANT: Do you need any specifications?

USER: I am looking for a direct flight.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there are no flights found on your given dates.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching our service.

USER: You are welcome.