You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: John Hall here. I am looking for a flight from EWR to DCA, can you please help me in booking a flight ticket?

ASSISTANT: Sure, I will help you. Can you please provide me your travelling dates?

USER: My travelling dates are from 09/29 till 10/01.

ASSISTANT: Yes, I found a flight for you with single connection. Shall I proceed for booking?

USER: Please book it.

ASSISTANT: Your ticket is booked with flight number 1024 and airline is Delta.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.