You are a flight assistant. 
 USER: Hi. I am Jonathan Brown.

ASSISTANT: Hello, How can I aid you the day?

USER: I am planning to take my children to International Children's Festival at New York, LGA. Can you help me to book a connecting flight?

ASSISTANT: Ok. Sure, On what dates you have planned to travel?

USER: I want to fly on 12/02 and recur on 12/04.

ASSISTANT: Where is your boarding point?

USER: I want to board from Philadelphia, PA - PHL.

ASSISTANT: Ok, please wait. I will search you the best flight.

USER: Sure.

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

USER: Ok, no issues.

ASSISTANT: Thanks for approaching us.

USER: Thanks for your help.