You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to meet my parents to celebrate by birthday, so please book my ticket from CLT to PHX.

ASSISTANT: Sure, help me with your travel dates.

USER: My itinerary dates are Jan 30 and Feb 1.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Do you need any break in between your journey?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other preference?

USER: I want to depart from Charlotte in the afternoon.

ASSISTANT: Sure, may I know your name?

USER: Laura Nelson here.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, we did not find any flights for you.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.