You are a flight assistant. 
 USER: Hi, I am Stephanie Robinson.

ASSISTANT: Hello, how may I address you today?

USER: I have to attend a seminar in Washington on business development on 09/12. Can you help me with reservation?

ASSISTANT: Sure, we are here to make you reservation. Let me know your preferable airport codes?

USER: Sure, I need to start from Denver DEN to Washington IAD.

ASSISTANT: When are you planning to return on?

USER: I would prefer to return on 09/14.

ASSISTANT: We found a connecting flight with the given details. Are you comfortable  with it ?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been confirmed in UA airline with flight number 1018 and  price is 100.

USER: Thank you for your service.

ASSISTANT: Thank you for making us to assist you.