You are a flight assistant. 
 USER: Hello. Jeffery Clark here.

ASSISTANT: Hello, how may I aid you for today?

USER: I want to book a flight from 01/02 to 01/04.

ASSISTANT: Sure, I am here to help you. Can you please help me with your location codes?

USER: My airport codes are from IAD - LGA. Please book my ticket if the price is within 500.

ASSISTANT: I have found a flight with 1 connected flight which costs 100. Shall I proceed?

USER: Ok, please book it.

ASSISTANT: I have booked a flight 1023 in economy class.

USER: Thank you for helping me out.

ASSISTANT: Most welcome.