You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Eric Carter.

ASSISTANT: How may I help you today?

USER: Can you help me in booking a ticket from PHL to JFK as I need to attend my sports meet?

ASSISTANT: That's great, I will help you. Dates of your journey please?

USER: My journey dates are 04/12 to 04/16.

ASSISTANT: Thank you for your information. But sorry, there is no flight for your dates. Can I go for another dates?

USER: Thank you for your time. No, I didn't plan other dates.

ASSISTANT: Ok. Thank you for reaching us.