You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I would like to visit Houston Zoo, please book a ticket from MSP to HOU.

ASSISTANT: Sure, can I know the travel dates please?

USER: My travel dates are 07/27 and 07/29.

ASSISTANT: May I know your name please?

USER: My name is Catherine Hall.

ASSISTANT: There is a flight in Delta airline with price 100, can I book it?

USER: Ok, please book the ticket.

ASSISTANT: Your ticket has been booked with flight number 1001.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.