You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I am Daniel Lopez.

ASSISTANT: Nice meeting you Lopez.

USER: I am planning to book a ticket from SFO. Can you please help me out to book a ticket?

ASSISTANT: Sure, I will help you. Can you please provide your preferable dates of travelling?

USER: I would like to travel on 12/17 and return back on 12/19.

ASSISTANT: Ok, may I know your destination airport codes for booking?

USER: My destination code is JFK.

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

USER: Sure, take your own time.

ASSISTANT: Based on your information, I have found flight with 1 connection with the fare of 100. Is it ok for you?

USER: Yes, you can book it.

ASSISTANT: Ok, your ticket has been booked in flight number 1003.

USER: Thank you for your service.

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