You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you now?

USER: Can you help me to book flight ticket to EWR from LAX?

ASSISTANT: Ok, may I know your journey dates?

USER: My journey dates are May 27 and May 29.

ASSISTANT: May I know your name please?

USER: Charles Hill here.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I would like to return in the afternoon.

ASSISTANT: Flight-1003 is available for you with economy class. Can I book it for you?

USER: Ok, you can book it.

ASSISTANT: Flight-1007 is available with return time in afternoon. And your reservation is booked. \.

USER: Thank you.

ASSISTANT: Thank you for choosing us.