You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I am searching the flight from Chicago, can you please reserve a flight ticket?

ASSISTANT: Sure, it is my pleasure to help you with it.

USER: Thank you.

ASSISTANT: May I know where are you heading to?

USER: I need to reach Denver city to attend a meeting.

ASSISTANT:  Please share your travel dates move forward with the booking.

USER: The planned departure and return journey dates are Dec 11 and Dec 13.

ASSISTANT: Which class would you like to choose?

USER: I am comfortable to travel in any class.

ASSISTANT: Ok, may I know your connection limit?

USER: I need a flight which is having at least a single connection limit.

ASSISTANT: Do you have any other preferences?

USER: No, thank you for asking.

ASSISTANT: May I know your name to proceed further?

USER: My name is Betty Garcia.

ASSISTANT: Thank you, please stay connected for a while.

USER: Sure, take your time. I will wait for your response.

ASSISTANT: We have a flight from Frontier airlines which departs at 21:00 PM and returns at 3:00 AM. This economy class seat is costing 100. Shall I proceed with it?

USER: That's perfect for me to travel, please go ahead with the ticket booking.

ASSISTANT: Your ticket has been confirmed with flight number 1000.

USER: Thank you for helping me to reserve a flight ticket.

ASSISTANT: Thank you for allowing us to serve you.

USER: You are most welcome.