You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Samuel Brown here, I want to visit a place that is Mount Evans which is located in Denver. Can you reserve a seat for me from DCA to DEN?

ASSISTANT: Sure, may I know your trip dates please?

USER: Sure, I am planning to move on 02/09 and 02/11.

ASSISTANT: Samuel, please give me a moment, I will be back soon.

USER: Sure.

ASSISTANT: Based on your details, JetBlue airline is available on your route with the price of only 100. Shall I book it for you?

USER: Proceed with booking.

ASSISTANT: Samuel, your seat is confirmed with the flight number 1014. Have a safe journey.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for choosing our service.

USER: Welcome.