You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Myself Andrew Thomas. I am looking for a flight from BOS to PHL, can you help me in booking?

ASSISTANT: Sure, can you share your travelling dates?

USER: Sure, my planned travel dates are Dec 05 and Dec 07.

ASSISTANT: Do you have any specifications?

USER: Yes, I am looking for a connecting flight under 200 price.

ASSISTANT: Sorry, there is no flight on your given dates.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.