You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please book a flight ticket from PHX to LGA?

ASSISTANT: Sure, kindly share your travel dates.

USER: My travelling dates are July 09 and July 11.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your class preference?

USER: I want a ticket in economy class.

ASSISTANT: Is there any other preferences?

USER: I want to depart in the afternoon.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

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

USER: That's ok, thank you for the response.

ASSISTANT: May I know your name?

USER: My name is Amanda Walker.

ASSISTANT: Thanks for choosing us.