You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a direct flight from PHX to treat an emergency case in MSP, could you please help me in booking?

ASSISTANT: Sure, We are here to help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: Sure, I need to depart on 07/11 and my return date will be on 07/13.

ASSISTANT: May I know your name?

USER: I am Jack Miller.

ASSISTANT: Is there any other specifications?

USER: I want to fly in a economy class ticket.

ASSISTANT:  We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: That's ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.