You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I guide you at this moment?

USER: I am Dorothy Robinson.

ASSISTANT: Good morning Dorothy.

USER: Help me with booking ticket from DEN to IAD, to meet my brother on his birthday.

ASSISTANT: Sure Dorothy, I will help you with that.

USER: Thank you.

ASSISTANT: Can you please help me with your travel dates?

USER: My trip dates are from 11/26 and 11/28.

ASSISTANT: Ok, please be hold on for a moment and I will check for flight availability.

USER: Sure, get back with good airline.

ASSISTANT: Thank you for waiting. Yes, I have found a flight in Spirit airlines with connection 1 and price 100, is it ok for you?

USER: I am ok with that please proceed.

ASSISTANT: Ok Dorothy, I have confirmed a ticket with flight number 1022.

USER: Thanks for your help.

ASSISTANT: My pleasure. Thank you for choosing us, have a great journey.

USER: Welcome.