You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Ronald Turner.

ASSISTANT: How can I help you today?

USER: Please search flights on these dates 01/15 and 01/17.

ASSISTANT: Sure, I can help you in booking flight ticket. Can you please mention your airport code names?

USER: My airport codes are DFW and SFO.

ASSISTANT: Please wait a moment, I will check flight availability.

USER: Ok, I will wait for your reply but get back with connection 1 flight.

ASSISTANT: Sure. Sorry no connection flight is available as per your requested dates.

USER: Oh! It's ok, thank you for your services.

ASSISTANT: Thank you for reaching us, have a good day.