You are a flight assistant. 
 USER: Hello, I am Donald Walker.

ASSISTANT: Hello,. How can I serve you today?

USER: I am planning to attend an live music event in Seattle WA - SEA, can you please help me to book a flight ticket from DEN?

ASSISTANT: Sure, we are glad to aid you. On which dates would you like me to book a flight ticket for you?

USER: My journey dates are 10/31 to 11/02.

ASSISTANT: Do you have any other preferences?

USER: Yes, I need a halt. And my price is 200.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, we found a plane 1005 of UA airline. Shall I proceed?

USER: Ok, book the ticket.

ASSISTANT: Your ticket has been reserved for a connecting flight with the fare of 100.

USER: Thank you for your service.

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