You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Ronald Garcia.

ASSISTANT: Garcia, what kind of assistance you are looking for?

USER: I need to travel to San Francisco to submit my report in my new branch office, can you help me in reserving my flight ticket?

ASSISTANT: Sure, I am glad to help you. Please provide your origin and destination airport codes.

USER: My origin airport code is ORD and destination airport code is SFO.

ASSISTANT: May I know your itinerary dates?

USER: Sure, my itinerary dates are from 04/18 to 04/20.

ASSISTANT: Please wait for a moment, let me check for any available flight on your route.

USER: Sure, I will wait for your response.

ASSISTANT: Direct flight is available with AA airlines. Are you comfortable with it?

USER: Could you please search for a flight with 1 connection?

ASSISTANT: Sorry, no airlines is providing service with 1 connection.

USER: No problem, I will find an alternative way to travel.

ASSISTANT: That's fine.

USER: Thank you for your quick response.

ASSISTANT: Thank you for contacting us, have a nice day.