You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Is this Central travel agency?

ASSISTANT: Yes, you are at right place, how can I help you today?

USER: I am looking for a flight with single connection, I have contacted 2 agencies but they do not have a flight with 1 connection, I hope you will help me.

ASSISTANT: I can help you with that, could you provide us your travel dates?

USER: I am planning to travel on 04/18 and return on 04/20.

ASSISTANT: May I know your nearest airport code and your destination airport code?

USER: As I am native of Phoenix, the nearest airport is PHX and destination airport is DTW.

ASSISTANT: Thank you, please wait for a moment, I will check for the available flights and get back to you.

USER: Sure.

ASSISTANT: May I know your name please for further proceedings?

USER: My name is Carolyn Gonzalez.

ASSISTANT: Carolyn, I am very sorry to say you that there are no flights available to DTW on your provided dates. Would you like to travel on some other date?

USER: No, I will postpone my trip to next week, so once I fix my travel dates, I will contact you.

ASSISTANT: Sure, you can contact us any time.

USER: Anyway, thanks for you information.

ASSISTANT: Thank you for choosing us, have a nice day.

USER: You are welcome.