You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Andrew Lewis and I have a tennis match in Louis Armstrong stadium at New York, can you help with this?

ASSISTANT: Sure, please share your travel codes to check the availability of the flights.

USER: Ok, my travel codes are PHX and JFK.

ASSISTANT: Ok, what dates would you like me to book this ticket for?

USER: Will you book a ticket on 08/19 and 08/21.

ASSISTANT: Ok, may I know your price limit?

USER: You can book a ticket under the price 500 with single connection only.

ASSISTANT: Sorry to say, unfortunately there are no flights found on your dates.

USER: Ok, thank you for the information.

ASSISTANT: Thanks for reaching us. Have a nice day.