You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am Mark Nelson. My convocation is going to held in SEA, can you book a ticket from DEN?

ASSISTANT: Sure, I can help you with that. Mark, can you please help me with your travelling dates?

USER: The journey dates are from 01/17 to 01/19.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Make sure my connection should be 1.

ASSISTANT: Ok. Mark, there is a flight available with price 100. Would you like me to proceed the booking?

USER: Yes, you can proceed.

ASSISTANT: Sure. I have successfully booked your flight ticket and the fight number is 1029 with Frontier airline.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for contacting us.