You are a flight assistant. 
 USER: Hello, I'm Charles Wilson.

ASSISTANT: Hello, how can I help you today?

USER: I'm planning to visit Phoenix, can you please book a ticket from ATL to PHX?

ASSISTANT: Sure, kindly share your travel dates.

USER: Sure, my planned departure and return travel dates are 5th and 7th of April.

ASSISTANT: Do you have any connection preference?

USER: Yes, my connection limit is 1.

ASSISTANT: Ok, please wait a moment.

USER: Sure, make a note that I prefer normal-cost airlines to travel.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: Oh! That's ok, thank you for giving the information.

ASSISTANT: Thanks for reaching us.