You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Lisa Evans here.

ASSISTANT: How can I aid you today?

USER: I want to attend a seminar in Los Angeles. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you to book a flight for you. Can you please share me your travelling dates?

USER: My travelling dates are from 04/18 to 04/20.

ASSISTANT: Ok, may I know your travelling airport codes?

USER: My airport codes are from CLT to LAX.

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

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket is booked with flight number 1000 and airline is JetBlue.

USER: Thanks for helping me.

ASSISTANT: Welcome, have a safe flight. Thank you for choosing us.