You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you now?

USER: Can you please help me with booking a flight ticket from LAX to DFW?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: My travel dates are Dec 03 and 05.

ASSISTANT: Do you have any connection limit for your journey?

USER: I need a connecting flight.

ASSISTANT: Can you please provide your name to book the flight ticket?

USER: My name is Angela Hill.

ASSISTANT: Any other specifications do you have?

USER: I prefer to travel in economy class.

ASSISTANT: Please be on hold to check the flights.

USER: Ok.

ASSISTANT: We regret to inform you that, there are no flights moving to your region with your requested dates of travelling.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for approaching us, have a great day.