You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Karen Hernandez, want to travel from IAH to DEN for my new product discussion. Please help me.

ASSISTANT: Sure, can I know the travel dates please?

USER: My travelling dates are from 05/28 to 05/30.

ASSISTANT: Ok, wait a moment please.

USER: Ok.

ASSISTANT: There is a flight in Southwest airline with price 100, can I book it?

USER: Please proceed.

ASSISTANT: Your ticket has been booked with flight number 1014.

USER: Thank you.

ASSISTANT: Thank you for approaching us.