You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please assist me to book a ticket from LAS to SFO as my business meeting purpose?

ASSISTANT: Sure, can I know your travelling dates?

USER: I want leave on Feb 20th and return on 22nd.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a break in between my journey.

ASSISTANT: On which name should I reserve the flight ticket?

USER: Please reserve the ticket on my name Linda Lewis.

ASSISTANT: Do you have any other specifications?

USER: Yes, I like business class to travel.

ASSISTANT: Sorry, there are no flights found on given dates.

USER: Ok, no problem in that, I will choose anther way to reach my destination. Any way thank you so much for your time.

ASSISTANT: Thank you for reaching us.