You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Linda Anderson.

ASSISTANT: How may I assist you?

USER: I am planning to book a ticket from PHX to CLT. Can you please help me out?

ASSISTANT: Sure, may I know your travelling dates?

USER: I am planning to travel on June 3 and return back on June 5.

ASSISTANT: How much can you afford for your flight ticket?

USER: My fare should be 1000.

ASSISTANT: Is there any connection limit?

USER: Yes, I am looking connecting flight.

ASSISTANT: Do you prefer economy class or business class?

USER: I am ok with any class.

ASSISTANT: Please wait for a minute, I will check with it and get back to you.

USER: Sure.

ASSISTANT: Sorry, no flight is available as per your requirements.

USER: That's fine, thank you for your service.

ASSISTANT: Thanks for your patience and reaching us.