You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I support you for the day?

USER: I am Jerry Taylor want to visit a kerry park at Seattle, so can you book a ticket within the fare of 1000?

ASSISTANT: Sure, I will help you with that. Please let me know your journey dates.

USER: My dates of journey are 07/03 and 07/05.

ASSISTANT: May I know your source and destination airport codes?

USER: My source is NY-EWR and destination is WA-SEA.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Sorry, there was no flight available with your requirements.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for contacting us.