You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I provide assistance to you?

USER: As there is festival celebration please book a ticket to Phoenix.

ASSISTANT: Sure, May I know your airport codes?

USER: From Las Vegas, NV-LAS to Phoenix, AZ-PHX.

ASSISTANT: Fine, To proceed further, we need your journey dates.

USER: My return date is 06/08 and depart from 06/06.

ASSISTANT: Ok, Thanks for the details provided, please wait for a moment. We found a Delta plane of 1021 number. The fare is 300 with single connection.

USER: I need a ticket with price limit 200.

ASSISTANT: Sorry, no flights were found with price 200.

USER: There should be connection between journey.

ASSISTANT: Ok, May I know your name please?

USER: Emily Smith.

ASSISTANT: Ok, Emily Smith, Thanks for choosing us. Have a pleasant day.

USER: Thanks.