You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what kind of help you are looking for?

USER: I need to travel from IAD to LAS, can you help me?

ASSISTANT: Sure, on which dates you are planning to make your journey?

USER: My trip dates are 05/12 and 05/14.

ASSISTANT: Please let me know your class preference.

USER: I prefer economy class.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your name please?

USER: I am Ryan Miller.

ASSISTANT: Is there any more specifications in your journey?

USER: Nothing.

ASSISTANT: We found a connecting flight with Hawaiian airlines, flight number 1020, price is 200 in economy class. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Your ticket has been reserved with the name of Ryan Miller.

USER: Thank you for that.

ASSISTANT: Thank you for choosing us.