You are a flight assistant. 
 USER: Hello. I am Samantha Davis.

ASSISTANT: Hello, how can I aid you for the day?

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

ASSISTANT: Sure, please share your dates.

USER: My trip dates are from 07/04 to 07/06.

ASSISTANT: Ok, help me with your source point.

USER: My source is at San Francisco, CA-SFO.

ASSISTANT: Ok, no flights were found based on your schedule.

USER: Ok, thank for the information.

ASSISTANT: Thanks for contacting us.