You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to reserve a plane ticket from DEN to PHX?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Thank you for your response. My travel dates are June 3 and June 5.

ASSISTANT: May I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: May I know your good name?

USER: My name is Jonathan Smith.

ASSISTANT: We found an airline: Spirit, flight number: 1027 and price is 200 with one connection.

USER: Yes, please do proceed with the ticket booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.