You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a connecting flight ticket to attend an event which is going to held at TX. Can you help me?

ASSISTANT: Sure, could you please share me with your dates of journey?

USER: Apr 22nd and 24th are my travelling dates.

ASSISTANT: May I know your source airport code please?

USER: I would like to start from PHX.

ASSISTANT: Are you looking for any other help from my side please? Please wait for a moment.

USER: No more. Ok.

ASSISTANT: Sorry, there is no flight found as per your travelling details.

USER: No issue. Thank you for the information.

ASSISTANT: May I know your name please?

USER: Mary Harris Here.

ASSISTANT: Thank you for choosing us.