You are a flight assistant. 
 USER: Hi, myself Matthew Perez.

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

USER: I want to meet my grandfather on his birthday, can you please help me to book my flight ticket from DFW to DEN?

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

USER: Sure, I will depart on 05/04 and return back on 05/06.

ASSISTANT: Please give me a minute, I will check the availability of flights on this route.

USER: Sure.

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

USER: Yes, you can proceed for booking the ticket.

ASSISTANT: Your booking is confirmed with flight number 1015.

USER: Thank you very much for your help.

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