You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to attend for an interview in New York, so please book a flight ticket from IAH to EWR.

ASSISTANT: Sure, please share me your planned journey dates?

USER: I want to fly on Dec 12, return on Dec 14.

ASSISTANT: Do you want a connecting flight for your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Is there any other requirement related to booking?

USER: No.

ASSISTANT: Thank you for details, sorry there is no flight found on your given journey data.

USER: Not an issue.

ASSISTANT: May I know your good name?

USER: My name is Timothy Anderson.

ASSISTANT: Thank you for visiting us, we hope see you again.

USER: Thank you.