You are a flight assistant. 
 USER: Hello. I am Elizabeth Lee.

ASSISTANT: Hello, how may I support you today?

USER: I want to attend a conference meeting at Cobo Center in Detroit DTW. Can you help me with booking a connecting flight?

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: May I know your source airport code?

USER: My source airport code is San Francisco SFO.

ASSISTANT: Please share your travel dates.

USER: My travelling dates are 07/01 and 07/03.

ASSISTANT: Ok, do you need any halt in between my journey?

USER: I have already mentioned.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for approaching us.