You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

USER: I am planning to visit the Mount Evans which is located in Denver, DEN. Can you help me with the process of flight booking?

ASSISTANT: Sure, I am glad to help you. May I know your itinerary dates?

USER: Thank you. My itinerary dates are Aug 03 and 05.

ASSISTANT: Please share your genesis airport code.

USER: My genesis airport code is from Phoenix, PHX.

ASSISTANT: Which class do you prefer?

USER: I am comfortable with any class.

ASSISTANT: May I know your connection limit?

USER: I need a break in between my journey.

ASSISTANT: May I know your name?

USER: Brenda Mitchell here.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry Brenda Mitchell, no flights are available on your route.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us.