You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I have planned to visit historical places at Phoenix. Could you please help me with booking a flight with my family from Los Angeles?

ASSISTANT: Sure, can I know the travel dates please?

USER: Sure, my travelling dates are Sep 12 and Sep 14.

ASSISTANT: May I know your name please?

USER: I am Debra Collins.

ASSISTANT: Could you please provide the airport codes?

USER: My source airport code is LAX and destination airport code is PHX.

ASSISTANT: Do you have any requirements?

USER: I prefer to travel in a normal cost airline.

ASSISTANT: Can I know the connection limit please?

USER: I intend to travel in a connecting flight.

ASSISTANT: Sorry, there are no flights available as per your request. Thank you for approaching us.

USER: No worries, thank you for the information.