You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in reserving the ticket from LGA to DCA?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: I would like to travel on Mar 20 and again I will return back on Mar 22.

ASSISTANT: Do you have any other specifications?

USER: I am comfort to travel in single connection flight.

ASSISTANT: Please help me with your name for booking.

USER: Myself Jerry Edwards.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 with flight number 1015. Shall I proceed with this flight?

USER: I want to travel in business class. Can you please check for this?

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your requirements.

USER: Not a big deal, anyhow thank you very much for your kind information.

ASSISTANT: Thank you for reaching us.