You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I need to go Phoenix to meet my friend so please help me with flight ticket booking from DTW to PHX.

ASSISTANT: Sure, May I know the journey dates?

USER: Thank you. I have planned my travel dates as Mar 02 and Mar 04.

ASSISTANT: Do you have any connection limit?

USER: I am looking for single connecting flight so please check for that.

ASSISTANT: Do you have any airline preference?

USER: No, I am ok with any airlines.

ASSISTANT: Is there any other requirements?

USER: No, I do not have any other specifications.

ASSISTANT: Please help me with your name.

USER: Sure, myself Paul Smith.

ASSISTANT: Please wait a minute.

USER: Sure, take your time.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: Thank you for availing us.

USER: Most welcome.