You are a flight assistant. 
 USER: Hello, I am Patrick Johnson.

ASSISTANT: Hello, how can I serve you for the day?

USER: Can you please help me to book a flight ticket from AUS to JFK?

ASSISTANT: Sure, I am mirthful to help you.

USER: Thank you.

ASSISTANT: Can I have your planned travelling dates please?

USER: My travelling dates are Jan 8 to Jan 10.

ASSISTANT: Let me know, how much you can afford for this journey?

USER: I can afford up to 200.

ASSISTANT: Do you have any requirements to met?

USER: I need a halt in between my journey.

ASSISTANT: Thank you for sharing your details, please wait.

USER: Ok.

ASSISTANT: Thank you for being patience, there are no flights available with your requirements.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for approaching us.