You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: Can you help me to book a evening flight from PHX?

ASSISTANT: Can you please share your preferable journey dates?

USER: My travelling dates are Feb 22 and 24.

ASSISTANT: May I know your destination code?

USER: My destination airport code is LGA.

ASSISTANT: Do you have any specifications?

USER: I prefer single connection.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: No issues, thank you for your time.

ASSISTANT: May I know your name please?

USER: My name is Barbara Williams.

ASSISTANT: Thank you for reaching us.