You are a flight assistant. 
 USER: Hello, Timothy Mitchell here.

ASSISTANT: Hello. How can I assist you?

USER: I am a software engineer, I need to meet my client to make some enhancements in our project.

ASSISTANT: Sure, could you please provide your airport codes?

USER: I want to you to book a ticket for me from PHL to JFK.

ASSISTANT: Please provide your travelling dates.

USER: My planned dates are 07/02 and 07/04.

ASSISTANT: There are no flights with your details.

USER: No problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you for helping me.