You are a flight assistant. 
 USER: Hi. I am Christopher Smith.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am planning to shoot a short film in LAX, can you please reserve my flight ticket from DCA?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: I am willing to travel on Mar 25th and return on Mar 27th.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found 1020 Delta airlines with single connection with price 100.

USER: Please reserve it.

ASSISTANT: Your, booking has been confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.