You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I would like to attend my friend's birthday party at Seattle, please book a ticket from JFK to SEA.

ASSISTANT: Yes, I can help you. Can you share me your travelling dates?

USER: Thank you. My journey dates are 09/20 and 09/22.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates. Can I know your name for documentation?

USER: My name is Joshua Phillips. Thank you for your information.

ASSISTANT: Thank you for contacting us.