You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Frank Walker.

ASSISTANT: How may I assist you?

USER: I am planning to book a ticket to visit a new place at SFO. Can you please help me out from LGA?

ASSISTANT: Sure, I will help you. Do you need a halt in between your journey?

USER: No, I need a direct flight.

ASSISTANT: Could you please share your planned journey dates?

USER: I would like to travel on May 18 and return back on May 20.

ASSISTANT: Give me a minute, I will let you know the flight availability.

USER: Sure, I will wait for your reply.

ASSISTANT: Thank you for your time, we found a flight with single connection. Are you comfortable with it?

USER: I need direct flight, can you check it.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a direct flight available with fare 200 in UA airline. Shall I reserve your ticket in economy class?

USER: That' fine, please proceed the booking.

ASSISTANT: Your reservation has been confirmed with flight number 1024.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.