You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I render you today?

USER: Please book a ticket from Houston, TX-HOU to Chicago, IL-ORD.

ASSISTANT:  Do you prefer any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT:  On which dates would you like me to book a flight ticket for you?

USER: Departure is by 07/28 and 07/30 is return date.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: My name is Jennifer Campbell.

ASSISTANT:  Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for your precious time. We found Jet Blue airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: Please book a flight.

ASSISTANT: Your ticket has been confirmed with airline number 1004.

USER: Thanks.

ASSISTANT: Thank you for choosing us.