You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Ronald Davis.

ASSISTANT: Nice to meet you Davis.

USER: I would  like to book a ticket to Houston, can you please help me out?

ASSISTANT: Sure, I will help you. Can you please provide your preferable dates of travelling?

USER: I am travelling on these dates 01/10 and 01/12.

ASSISTANT: Ok, may I know your nearest airport codes for booking?

USER: I am flying from ATL to HOU.

ASSISTANT: Please wait a moment to check the flights.

USER: Ok. Make sure my connection limit is 0.

ASSISTANT: Sorry to inform you that, there are no flights available with connection 0.

USER: Ok no problem, thank you for your services.

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