You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I best serve you today?

USER: Can you help me in doing a reservation from DEN to SFO?

ASSISTANT: Sure, can you please mention your depart and arrival dates of your journey?

USER: My journey dates are July 05 to 07.

ASSISTANT: Do you like to go with a connecting or direct flight?

USER: I need a connecting flight.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: No.

ASSISTANT: Can I know your good name to proceed further?

USER: I am Elizabeth Turner.

ASSISTANT:  There is a flight in United Airlines with the ticket price of 100 having one connection and economy class. Can I proceed to booking?

USER: Ok, please proceed.

ASSISTANT: Your booking is confirmed and the flight number is 1009.

USER: Thank you.

ASSISTANT: Thank you for choosing us.