You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I aid you?

USER: Make me a flight booking from LGA to PHL to attend a office meeting. Is that possible?

ASSISTANT: Sure, I will help you out. Please provide me your trip dates.

USER: Yes, my travel dates are 11/05 and 11/07 respectively.

ASSISTANT: Please can you provide me your name?

USER: Ok, my name is Christopher Perez.

ASSISTANT: Sorry, no flights with your requirement.

USER: That's fine, I will booked on some other day. Thank you for assisting me.

ASSISTANT: Thank you for reaching us.