You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I support you today?

USER: I need a connecting flight to Dallas and Fort Worth, TX - DFW. Can you please book me a flight ticket?

ASSISTANT: Sure, I will help you in booking your ticket. Can you provide me trip dates for booking further?

USER: On 01/01 I have a New Year party after completion of party I need to return on 01/03.

ASSISTANT: kindly, Share your origin code.

USER: My origin is Austin, TX - AUS.

ASSISTANT: May I know your name?

USER: Brenda Harris is my name.

ASSISTANT: Unfortunately, there is no flight found with specified locations of travel.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thanks for your information.