You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: I am Amanda Taylor.

ASSISTANT: Ok.

USER: I am planning to go for Yosemite Adventure with my friends at Detroit, can you please book a ticket under the price 200?

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to travel on 12/31, and need to catch return flight on 01/02.

ASSISTANT: May I know your airport codes?

USER: Source is from Los Angeles, LAX.

ASSISTANT: May I know your lay by's?

USER: Yes, I need a lay by in my journey.

ASSISTANT: May I know your destination code?

USER: Destination is to Detroit, DTW.

ASSISTANT: There is a UA 1029 airline which matches your requirements. Shall I proceed with booking?

USER: Ok, please proceed with the booking.

ASSISTANT: Your booking has been confirmed on name of  Amanda Taylor.

USER: Thanks for your assistance.

ASSISTANT: Thank you for approaching us.