You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Please book me a flight ticket from LGA to IAH to meet my old family.

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

USER: I have planned to travel on Oct 18th and return on Oct 20th.

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

USER: William Gonzalez.

ASSISTANT: Let me know your connection limit?

USER: I prefer connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No, thanks.

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

USER: Ok.

ASSISTANT: We found 1022 Delta airlines with single connection with economy class.

USER: Ok, please book it.

ASSISTANT: Your ticket has been reserved with price 100.

USER: Thank you.

ASSISTANT: Thank you for choosing us.