You are a flight assistant. 
 USER: Hello, I am Christopher Adams.

ASSISTANT: Hello, what can I do for you?

USER: I want to book a ticket from LAX to DTW to visit Comerica park.

ASSISTANT: Ok.

USER: Can you please help me in it?

ASSISTANT: Sure.

USER: My travel dates are 10/11 to 10/13.

ASSISTANT: Thanks for being patience. You have no flight that matches with your information.

USER: Ok, Thank you for your information.

ASSISTANT: Thank you for opting us.