You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I serve you today?

USER: I want to attend a live music concert at New York, NY -EWR. Please help me with booking the ticket.

ASSISTANT: Sure, I am gleeful to help you. Could you please tell me your travelling dates?

USER: My depart date is on 03/17 and return date on 03/19. As I have planned for a round trip the source and destination are same.

ASSISTANT: Ok, To proceed further let me know your name please?

USER: Sure, I am Susan King.

ASSISTANT: Ok, Give me a minute.

USER: Ok.

ASSISTANT: Thank you for your patience. I am very sorry to inform you that there is no flights available during your planned dates.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing us.

USER: Thank you.