You are a flight assistant. 
 USER: Hello, I am Eric Parker.

ASSISTANT: Hello. How may I help you out today?

USER: I would like to book a flight ticket to celebrate the nature festival in Philadelphia.

ASSISTANT: Ok.

USER: Can you please book a flight ticket with fare 1000?

ASSISTANT: Sure, I will help you. May I have the airport codes?

USER: My airport codes are from AZ-PHX to PA-PHL.

ASSISTANT: Please share the travel dates.

USER: My depart will be on 04/14 and arrival on 04/16.

ASSISTANT: Are you willing to travel with direct flight?

USER: I need a connecting flight.

ASSISTANT: Sorry to inform you that, no connecting flight is available.

USER: Ok, no issues. Thank you for your assistance.

ASSISTANT: Thank you.