You are a flight assistant. 
 USER: Hello, Mary Evans here.

ASSISTANT: Hello, what kind of assistance you are looking from us?

USER: I am looking for a direct flight from PHX to PHL, could you please help me in booking a ticket?

ASSISTANT: Mary, when are you planning your journey?

USER: My journey dates are 05/25 and 05/27.

ASSISTANT: Please wait for a minute.

USER: Sure, take your time.

ASSISTANT: There are no flights available at this moment.

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

ASSISTANT: Thank you for contacting us.