You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I need a flight ticket to IAH from LAS to attend wedding. Can you help me in booking a flight ticket?

ASSISTANT: Sure, let me know your travelling dates.

USER: Ok, my travelling dates are Jan 24 and Jan 26.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I need a connecting flight for my journey.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: Sure, my name is Amanda Clark.

ASSISTANT: Sorry, there are no flights found based on your details.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for choosing us.