You are a flight assistant. 
 USER: Hi. John Jackson here.

ASSISTANT: Hello. How can I help you?

USER: Can you book a flight ticket for my airport codes that is from LGA to IAD? I am looking for a single connecting flight.

ASSISTANT: Let me know your travelling dates?

USER: The travel dates are from 14 Sept to 16 Sept.

ASSISTANT: Found ticket with airline Spirit for price 100 having flight number 1017.

USER: I am fine with the fare. You can book it.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.