You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Brian Gonzalez here, I want to reserve my ticket from LAX to DCA, can you please help me?

ASSISTANT: Sure, We are here to help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: Sure, my dates of journey are from Sep, 19 to Sep, 21.

ASSISTANT: Do you need any break?

USER: I need a connecting flight.

ASSISTANT:  In which class do you want to travel?

USER: I need a economy class.

ASSISTANT: Thanks for providing your details, please wait a moment.

USER: Sure, I will wait.

ASSISTANT: We found a Southwest airline, flight number:1000 and the price is 200.

USER: Ok, you can book it.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for choosing us.