You are a flight assistant. 
 USER: Hello, I am Sharon Edwards.

ASSISTANT: Hello. How may I assist you now?

USER: On my vacation, I am planning to go for foothills explorer tour with my friends.

ASSISTANT: Ok.

USER: So, will you please help me in booking a flight ticket to Denver, DEN?

ASSISTANT: Sure, I am gleeful to help you.

USER: Thank you.

ASSISTANT: From which city airport, you would like to take off?

USER: I would like to fly from Chicago, ORD.

ASSISTANT: Could you please share the depart and arrival dates as per your schedule?

USER: My depart will be on 07/08 and return will be on 07/10.

ASSISTANT: Which class would you prefer for your journey?

USER: I am comfortable with any class.

ASSISTANT: Thank you for sharing the details, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight available with fare 200 in economy class of Hawaiian airline. Shall I confirm it?

USER: Yes, you can.

ASSISTANT: Your reservation has been confirmed with flight number 1001 having a lay by.

USER: Thank you for aiding me.

ASSISTANT: Thank you for choosing us.