You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Samantha Harris here, I want to reserve my ticket from LGA to ORD, can you please help me out?

ASSISTANT: Sure, May I know your travelling dates?

USER: Sure, my planned dates of journey are from May, 16 to May, 18.

ASSISTANT: Do you have any preferences?

USER: Yes, I need a direct flight.

ASSISTANT: May I know your name?

USER: I have mentioned.

ASSISTANT: Is there any other preferences?

USER: No.

ASSISTANT: You have a direct flight 1023 in JetBlue airline and price 200, Shall I proceed?

USER: Ok, you can book it.

ASSISTANT: Your ticket has been reserved in economy class.

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

ASSISTANT: Thank you.