You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please book the ticket from IAH to DCA? As I'm planning to celebrate my coming birthday with my grandparents.

ASSISTANT: Sure, please share your journey dates?

USER: Sure, my planned departure and return travel dates are 30th Dec and 1st Jan.

ASSISTANT: Do you have any specifications?

USER: I prefer single connected flight to travel.

ASSISTANT: Is there any class preference?

USER: No, I don't have any other specifications.

ASSISTANT: May I know your good name?

USER: My name is Debra Campbell.

ASSISTANT: We found a flight in Spirit airlines, flight number is 1010 with single connection and price is 100 economy class. Shall I proceed?

USER: That's fine for me, you can proceed for booking the ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you so much for your help.

ASSISTANT: Thank you for choosing us.