You are a flight assistant. 
 USER: Hello, I am Gary King.

ASSISTANT: Hello, how may I best serve you today?

USER: I am a science student, I want to learn new things about science so I want to visit  Perot Museum of nature and science. Can you please help me to reserve a ticket?

ASSISTANT: Sure, we are pleased to help you. May I know when do you want to go to Perot Museum of Nature and science?

USER: I would like to visit on 04/03 so I should be move on 04/02.

ASSISTANT: When would you like to return form your visiting place?

USER: After visiting of Perot Museum of nature and science,  I intent to return on 04/04.

ASSISTANT: May I know your nearest airport codes?

USER: I would like to take off from San Francisco, SFO. I should be return from Dallas, DFW.

ASSISTANT: May I know how much you can afford for this ticket?

USER: I can afford money for a ticket maximum 5000.

ASSISTANT: We found a flight on your details with airline Delta, flight number: 1006 and with one dropping point. Can I reserve this ticket for you?

USER: Yes, Please reserve this ticket for me.

ASSISTANT: Your ticket has been reserved.

USER: Thank you so much for your kind service.

ASSISTANT: Thank you so much for choosing me.