You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Can you please help me in booking the flight ticket from DTW to ORD?

ASSISTANT: Sure, can you please share your journey dates?

USER: My travel dates are July 29 and July 31.

ASSISTANT: May I know your name please?

USER: Pamela Martin.

ASSISTANT: Are there any specifications in your journey?

USER: I would like to depart in the afternoon with single connection.

ASSISTANT: Ok, please be on hold.

USER: Ok.

ASSISTANT: Sorry, there are no flights are available matching your specifications.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for connecting with us.