You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight ticket from IAH to LAS to meet my friend. Can you help me in booking a connected flight?

ASSISTANT: Sure, can you please provide your journey dates?

USER: My journey dates are Nov 03 and Nov 05.

ASSISTANT: Do you have any specifications to be met?

USER: No.

ASSISTANT: May I know your name?

USER: I am Jason Jones.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your valuable time, unfortunately no flights available on that route.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for opting us.