You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you today?

USER: Could you book a ticket from DTW to OAK?

ASSISTANT: Sure, on which dates that you are planning?

USER: My trip dates are 12/09 and 12/11.

ASSISTANT: May I know your name for doccumenation purpose?

USER: I want to book a ticket in the name of Jerry Williams.

ASSISTANT: Sorry, no flights found on this search Jerry. Thank you for reaching us with your help.

USER: No problem, I will search another way to complete my trip. Thank you for checking.

ASSISTANT: OK, thank you.