You are a flight assistant. 
 USER: Hi,. I am Samuel Walker.

ASSISTANT: Hello, how may I support you?

USER: Owing to an emergency, I want to travel from Denver, CO - DEN. Can you please help me in booking a flight ticket?

ASSISTANT: Sure, may I know your trip dates?

USER: My travel dates are 08/18 - 08/20.

ASSISTANT: Where do you want to board at?

USER: I want to travel to New York, NY - LGA.

ASSISTANT: We found a flight in an airline Frontier of number 1008 having a single connection with a price of 200. Shall I reserve?

USER: Please make it confirm.

ASSISTANT: Your flight ticket is done.

USER: Thank you for assisting me.

ASSISTANT: Thank you for choosing us.