You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Margaret Hall here.

ASSISTANT: How can I help you today?

USER: I want to attend a Seminar in Las Vegas. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am very gleeful to help you with that.

USER: Thanks.

ASSISTANT: May I know your travel dates?

USER: My travelling dates are Apr 24 and Apr 26.

ASSISTANT: Do you have any connection limit?

USER: I need direct flight.

ASSISTANT: please provide me your travelling airport codes.

USER: My airport codes are SFO and LAS.

ASSISTANT: Is there any class preference?

USER: No. I want to prefer normal cost airline.

ASSISTANT: Can you have any other specifications?

USER: I want to return on morning.

ASSISTANT: I found a flight with the price of 100 having one connection and return at 10 am. Can I proceed with the booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked with the flight- 1021.

USER: Thanks for helping me.

ASSISTANT: Thank you for contacting us.