You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Can you help me to book a normal cost airline from Denver?

ASSISTANT: Sure, may I know your trip dates?

USER: My trip dates are June 27 and 29.

ASSISTANT: Do you need any break in your journey?

USER: Yes, I need a break in my journey.

ASSISTANT: Where you need to catch the flight and land?

USER: My airport codes are from DEN to SFO.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is Stephen Perez.

ASSISTANT: There is a connecting flight with fare of 200 and 1022 flight number. Shall I proceed?

USER: Sure, you can proceed for booking.

ASSISTANT: Your seat has been reserved with Delta Airlines in economy class.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.