You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, welcome to Ques agency. How can I guide you today?

USER: I am planning to attend a scienceware exhibition at LAS, will you please book me a ticket from DEN?

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

USER: I need to depart here on 04/21 and also book a return ticket on 04/23.

ASSISTANT: I found a flight with AA airlines, ticket price is 100 with connection 1, would you like to proceed with the booking?

USER: Yes, please proceed.

ASSISTANT: Can I have your name for booking purpose?

USER: Yes, book the ticket on the name, Dennis Garcia.

ASSISTANT: Your booking is confirmed with flight number 1029.

USER: Thank you for the help.

ASSISTANT: You are welcome.