You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Michelle Phillips.

ASSISTANT: How may I assist you?

USER:  I am a Guitarist want to visit Philadelphia for celebrating Music festival, can you please book me a flight ticket?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Could you please share your planned journey dates?

USER: I want to travel on May 26, and need to catch return flight on May 28.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Can I have your source and destination airport codes?

USER:  I need to leave from my nearest airport LGA to reach PHL.

ASSISTANT: Please, wait a minute.

USER: Sure.

ASSISTANT: Thank you for your time, there were no flights available that matches your requirements.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for approaching us.