You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to attend my cousin's home from TX-HOU to CA-OAK.Can you please help me out?

ASSISTANT: Sure, on which dates you want to travel?

USER: The travelling dates are from 07/20 to 07/22.

ASSISTANT: Ok, may I know your name please?

USER: Sure, my name is Donna Campbell.

ASSISTANT: Ok, the airline Hawaiian with flight number 1008 is available.

USER: May I know the price?

ASSISTANT: Sure, the price of the ticket is 100.

USER: Ok, please book the ticket.

ASSISTANT: Ok. Your reservation is done.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.