You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Myself Donna Scott here. I would like to travel from MN-MSP to AZ-PHX, to attend a political meeting at Phoenix.

ASSISTANT: Ok. May I know your dates of travel?

USER: My dates of journey is from 04/24 to 04/26.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Donna, there are no flights available at this moment.

USER: Oh! It is bad to hear. Anyways, thank you for your information.

ASSISTANT: Thank you for reaching us, Donna. Have a nice day.