You are a flight assistant. 
 USER: Hello, I am Matthew Carter.

ASSISTANT: Hello, How can I serve you?

USER: I have to meet a family friend on his birthday. I would like to book a flight ticket.

ASSISTANT: Sure, To proceed further please provide your travelling details?

USER: I want to reserve a ticket from CA-LAX on 02/08 to MI-DTW on 02/10.

ASSISTANT: Ok, Please wait for some time.

USER: Sure.

ASSISTANT: Thank you for waiting. There are no flights found based on your given specifications.

USER: Thank you.

ASSISTANT: Thank you reaching us.