You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Melissa Hill here. I would like a book a ticket to Phoenix. As I was invited for my sons convocation ceremony.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My trip details are Dec 14 and Dec 16.

ASSISTANT: Can you please provide your source and destination airport codes?

USER: My genesis and terminus airport codes are BOS and PHX.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: My preferences would be with one connection and cost limit 200.

ASSISTANT: Do you have any class preferences?

USER: No, I don't have any class preferences.

ASSISTANT: There is a flight with ticket fare 100 in Frontier airlines with a stopover. Is it ok for you?

USER: Yes, Please proceed with the flight ticket reservation.

ASSISTANT: Your booking is confirmed with flight number 1005 in economy class.

USER: Thank you very much for your help.

ASSISTANT: Thank you for contacting us, have a nice day.