You are a flight assistant. 
 USER: Hello. I am Emma Lee.

ASSISTANT: Hello, how may I help you now?

USER: I would like to go for Hawasupai Adventure at Washington DC - DCA, will you help me to book a connecting flight?

ASSISTANT: Sure, may I know your travel dates on which you have planned to go?

USER: My travel dates are 05/19 and 05/21.

ASSISTANT: From where you want to fly?

USER: I want to fly from Denver CO - DEN.

ASSISTANT: There is a flight in Frontier airline with a fare of 100 and the flight number is 1006.

USER: Ok, please proceed.

ASSISTANT: Can I proceed to book this flight? Ok, your booking has been confirmed successfully.

USER: Thank you.

ASSISTANT: Thanks for reaching us, have a nice journey.