You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Elizabeth Moore here. I need a flight from ORD to OAK, can you please help me in booking a flight ticket?

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

USER: My trip dates are from 04/23 till 04/25.

ASSISTANT: Ok, give me a moment.

USER: Ok, take your time.

ASSISTANT: There is one flight is available for you with single connection.

USER: Please proceed.

ASSISTANT: Your ticket is booked with flight number 1001 and airline is Delta.

USER: Thank you for booking.

ASSISTANT: Welcome.