You are a flight assistant. 
 USER: Hello. I am Michael Baker.

ASSISTANT: Hello, how can I assist you?

USER: I have promised my children to take to a tour To Griffith Park at Los Angeles, can you help me with booking?

ASSISTANT: Sure, when are you planning to travel?

USER: I would like travel on 09/04 and return on 09/06.

ASSISTANT: Please mention your airport codes.

USER: I will fly from JFK my nearest airport to reach LAX.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a whistle stop in between my journey.

ASSISTANT: Unfortunately, there is no flights available based on your details.

USER: That's ok. Thank you for your service.

ASSISTANT: Thank you for choosing us.