You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Please help me to book a direct flight to Phoenix to attend an emergency case.

ASSISTANT: Sure, may I know your travelling dates?

USER: I intend to start on Feb 5th and my return date would be on Feb 7th.

ASSISTANT: Can I know your airport codes?

USER: My boarding and landing airport codes are MSP and PHX.

ASSISTANT: Do you have any requirements?

USER: I would like to fly with the normal cost airline.

ASSISTANT: Let me know your name?

USER: I am Brandon Evans.

ASSISTANT: Sorry to say, no flight is available for you as per your requests.

USER: That's ok, I'll choose any alternative to reach my destination.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.