You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you?

USER: Myself Donald Turner. Please book me a ticket from IL-ORD to NY-LGA. 02/02 to 02/04.

ASSISTANT: Hold on for a minute. Do you have any additional requirements?

USER: Price limit is 5000 with 1 connection.

ASSISTANT: Flight 1011 of Delta airlines matches with your preferences. Can I book the ticket?

USER: Sure.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you, have a safe flight.