You are a flight assistant. 
 USER: Hello, Christopher Young here.

ASSISTANT: Hello. How can I help you?

USER: I would like to visit Camelback mountain at Phoenix, can you please book me a ticket with a connecting flight?

ASSISTANT: Sure, please provide me your journey points?

USER: Source is from New York, EWR. Destination is to PHX.

ASSISTANT: Ok, may I know your travel dates?

USER: I want to travel on 06/06, and need to catch return flight on 06/08.

ASSISTANT: Do you have any preferences?

USER: Make sure to check a flight with in a price limit of 5000.

ASSISTANT: We found Frontier airline with a connection between the travel. Flight number is We found 1019 with 100 price.

USER: Please proceed with the booking.

ASSISTANT: Ok, your booking is done.

USER: Thanks for your assistance.

ASSISTANT: Thank you, have a nice day.