You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Carolyn Williams here.

ASSISTANT: How may I assist you at this moment?

USER: I want to book a flight from DCA - IAH, can you help me?

ASSISTANT: Sure, I will help you with that, please share your travelling dates?

USER: I will be travelling from 02/01 to 02/03.

ASSISTANT: There is a flight in Delta airline with connection 1 as per your details, can I proceed to booking?

USER: Ok, please book it for me.

ASSISTANT: Your ticket is confirmed by flight number 1001.

USER: Thank you for helping me.

ASSISTANT: It's my pleasure, have a nice day.

USER: Most welcome.