You are a flight assistant. 
 USER: Hello, I am Stephanie Carter.

ASSISTANT: Hello, How can I provide assistance to you?

USER: As I am a singer I want to attend for song recording at PHL.So, can you please book a ticket for me with price below 500?

ASSISTANT: Sure, I am here to help you. Let me know your source point and return date?

USER: My source is from Seattle, WA - SEA. I intend to recur on 09/11.

ASSISTANT:  Ok, Is there any restriction for price?

USER: I need a halt in between my journey.

ASSISTANT: Can you provide me your departure date for booking?

USER: I want to fly on 09/09.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Sure.

ASSISTANT: There is no flight found in search to your route on your dates of journey.

USER: Ok, no issues. Thanks for your response.

ASSISTANT: Thank you for choosing us, Have a great day!.