You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you at this moment?

USER: I am Raymond Young want to visit San Francisco, can you book a ticket from LGA to SFO?

ASSISTANT: Sure, I am glad to help you. Can you please provide your planned dates of travelling?

USER: Sure, my travelling dates will be 06/10 and 06/12.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Ok.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 200 is provided by Sprit airlines. Shall I proceed with this?

USER: Yes, proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a great journey.