You are a flight assistant. 
 USER: Hello, myself John Clark.

ASSISTANT: Hello John. How can I help you?

USER: Coming February I have a project meeting in Philadelphia, can you help me to book my ticket?

ASSISTANT: Sure, can you please tell your travelling dates?

USER: The meeting is on 02/13, so I have to depart on 02/12 and return on 02/14.

ASSISTANT: Can you please tell your travelling locations?

USER: I want to travel from MSP to PHL.

ASSISTANT: Can I have your name please?

USER: My name is John Clark.

ASSISTANT: Sorry, there are no flights available with your request.

USER: Very say to hear that, thank you for the information.

ASSISTANT: Thank you and have a nice day.