You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sandra Young.

ASSISTANT: How may I aid you today?

USER: I want to book a ticket from Houston, HOU to Chicago, ORD to go for shopping.

ASSISTANT: Ok.

USER: Can you please book a ticket on May 27?

ASSISTANT: Sure, when did you want to return?

USER: I want to return on May 29.

ASSISTANT: Do you have any preferences?

USER: Yes, I need a halt.

ASSISTANT: We found a flight in an airline Hawaiian with 1017 number having a single connection price of 100. Shall I reserve it for you?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been booked in an economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us.