You are a flight assistant. 
 USER: Hello. Myself Christine Turner.

ASSISTANT: Hello, how may I be at your service today?

USER: I am planning to visit Oakland, will you help me in booking the flight ticket from DTW to OAK?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My preferable journey dates are Jan 30 and Feb 01.

ASSISTANT: Do you have any other specifications?

USER: I need a flight with single connection which departs in morning time.

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your requirements.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.