You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I be a help for you?

USER: I have to attend my graduation ceremony at New York university, can you please book me a ticket?

ASSISTANT: Sure, may I know your planned dates to travel?

USER: Yes, I want to depart on 06/21 and return by 06/23.

ASSISTANT: Ok, can you please share your source and destination airport codes?

USER: Sure, my source and destination airport codes are IAD and LGA.

ASSISTANT: Meanwhile may I know on what name you like to book the ticket?

USER: Please book the ticket on the name of Jonathan Jones.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: There is a flight available for this route from UA airlines with 1 connecting flight. Would you like to reserve your ticket?

USER: Yes, please proceed if the ticket price is under 500.

ASSISTANT: Yes, your ticket is reserved in flight 1008.

USER: Thank you so much for booking.

ASSISTANT: You are welcome.