You are a flight assistant. 
 USER: Hi, Brandon Davis here.

ASSISTANT: Hello, how may I support you?

USER: I need to attend a science exhibition in DFW. Can you make a reservation from LGA?

ASSISTANT: Sure, help me with the trip dates?

USER: Sure, I need to fly on May 1 and May 3.

ASSISTANT: Do you have any price limit?

USER: My price is 500.

ASSISTANT: There is a flight which can travel to your region having a direct lay out in your journey, ticket fare of 100 which is provided by Southwest airlines. Would you like to book this flight for your journey?

USER: Please proceed to book.

ASSISTANT: Your flight ticket has been confirmed in an economy class with 1000 number.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.