You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: I want to head from New York to give a presentation at Chicago, IL - ORD. Can you help me with the booking?

ASSISTANT: Sure, may I know your origin airport code?

USER: My journey is from EWR.

ASSISTANT: Please share your travelling dates? Do you need any other requirements?

USER: My dates of journey are 07/24 and 07/26. I prefer a connecting flight.

ASSISTANT: We found a flight 1027 in AA airline the price is 100 with one halt. Shall I proceed with booking?

USER: Go ahead for booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for making us to serve you today.