You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to celebrate my bachelor's party in Rolling pub which is famous in Detroit, DTW. Can you avail me to book a connecting flight?

ASSISTANT: May I know your trip dates?

USER: My trip dates are Oct 24 and 26.

ASSISTANT: Can you share me your journey airport codes?

USER: My source is from Washington, DCA.

ASSISTANT: Is there any connection limit?

USER: Yes.

ASSISTANT: Ok, Is there any class preference?

USER: I want to travel in economy class.

ASSISTANT: Ok, do you have any other specifications?

USER: I want to return in the morning time.

ASSISTANT: May I know your name to proceed for booking?

USER: Sure, Melissa Phillips here.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry, there are no flights running with your required dates.

USER: Ok, thank you.

ASSISTANT: Thank you for choosing us.