You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How could I assist you?

USER: My name is Donna Rodriguez and I am planning a surprise visit at my friends place. Can you please book a flight ticket for me?

ASSISTANT: Sure, to book a ticket can I have your travelling dates?

USER: I will travel on 11/02 and 11/04.

ASSISTANT: May I know your airport codes please?

USER: Sure, my airport codes are IAH and SEA.

ASSISTANT: We found a connecting flight with UA of flight 1022 and fare is 100.

USER: Please book this flight for me.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.