You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Linda Nelson.

ASSISTANT: How may I help you today?

USER: I am planning to travel from  PHX to MSP, can you help in booking a flight?

ASSISTANT: Sure, can I know your travelling dates.

USER: My travelling dates are 05/22 to 05/24.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, there are no flight available on your route.

USER: That's ok. Thank you for your information.

ASSISTANT: Thank you for reaching us.