You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am planning to attend a Tennis Competition in PHL from LAX. Can you make reservation for me?

ASSISTANT: Sure, I will help you with that. On which travelling dates that you want to start your trip?

USER: Sure, I am planning to travel for days that is on 06/27 and back on 06/29.

ASSISTANT: May I know your name please?

USER: Yes, I am Jessica Jackson.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Ok, not an issue, anyway's thank you for your information.

ASSISTANT: Thank you for your service.