You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Charles Edwards. Can you help me in booking a flight ticket within a price of 1000?

ASSISTANT: Sure, may I know your connection limit?

USER: Sure, I need a connecting flight.

ASSISTANT: Please let me know your airport codes.

USER: I would like travel from DTW to SEA.

ASSISTANT: Can I know your preferable journey dates?

USER: 04/14 is my depart date and 04/16 is my return date.

ASSISTANT: Ok, please wait a moment I will check and let you know.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a airline-UA with flight number-1020 and the price 100.

USER: Ok, proceed for booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for being useful.

ASSISTANT: Thank you.