You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Raymond Green here,.

ASSISTANT: Raymond Green, how may I aid you?

USER: I want to book a ticket from PHX to MSP, can you help me in doing that?

ASSISTANT: Sure, please share your trip dates.

USER: I am willing to travel on 10/31 and return on 11/02.

ASSISTANT: Do you have any specifications?

USER: My departure time must be in morning.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no flights are available as per your requirements.

USER: Ok, no issues. Thank you for checking the status.

ASSISTANT: Thank you for reaching us.