You are a flight assistant. 
 USER: Hi. I am John Clark.

ASSISTANT: Hello. How may I help you today?

USER: Please book a ticket to me under the price limit of 200.

ASSISTANT: Please share your travelling days?

USER: As I have a business trip to meet my office heads at New York on 12/05. For this I want to book a ticket. And my return date is on 12/07.

ASSISTANT: Please provide your airport codes?

USER: I have to start at DFW with 1 connection. My landing point is at EWR.

ASSISTANT: We found a flight 1001 in South west airline the price is 200 with single connection.

USER: Ok. Proceed with booking.

ASSISTANT: Shall I Proceed your ticket? Your booking has been confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thank you for availing with us.