You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me to find a flight ticket from DEN to PHX?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Thank you. I have planned to travel on the dates of April 29th and May 1st.

ASSISTANT: Let me know your name?

USER: My name is Jerry Nelson.

ASSISTANT: Do you have any requirements?

USER: I am looking to travel in single connecting flight.

ASSISTANT: There is a economy class flight 1025 of United Airlines, can I proceed?

USER: Yes, please proceed with the ticket booking.

ASSISTANT: Your booking is done.

USER: Thank you for helping me.

ASSISTANT: Welcome.