You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you reserve me a ticket from IAH to DTW?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip dates are Nov 23 to 25.

ASSISTANT: Do you have any limits on number of connections?

USER: I need a single connecting flight.

ASSISTANT: May I know your name?

USER: Ryan Harris here.

ASSISTANT: Do you have any another specifications on your journey?

USER: No.

ASSISTANT: Thank you for the details, sorry there is no flight available on your given journey dates.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Welcome, thank you for reaching us.