You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me in booking a flight ticket from LGA to DEN?

ASSISTANT: Sure, could you please help me with your name?

USER: I am Justin Edwards.

ASSISTANT: Thank you. Can I have your travel dates?

USER: My travel dates are from Sept 20th to Sept 22nd.

ASSISTANT: Sure, do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Ok, please be on hold for a while.

USER: Ok.

ASSISTANT: There is a flight with single connection in Delta airlines and the ticket costs you 100 only. Flight departs at 0:00 hours and arrives at 11:00 hours. Can I book the ticket for you?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked in economy class and your flight number is 1027.

USER: Thank you.

ASSISTANT: You are welcome and have a safe flight.