You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: Can you help me in doing a reservation from DTW to OAK?

ASSISTANT: Sure, could you please help me with your journey dates?

USER: I am willing to travel on Jan 26 and return on Jan 28.

ASSISTANT: May I know your good name?

USER: Shirley Collins here.

ASSISTANT: Do you prefer a connecting or direct flight?

USER: I prefer connecting flight.

ASSISTANT: Are there any more specifications?

USER: No.

ASSISTANT: Sorry, there are no flights available as per your requirements.

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

ASSISTANT: Thank you for reaching us.