You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I would like to spend my free time at Washington with my friends, please help me in booking a ticket from IAH to DCA.

ASSISTANT: Sure, May I know when you are planning to make your journey?

USER: My planned travel dates are on Aug 26 and Aug 28.

ASSISTANT: Please provide your class preference.

USER: Any class is comfortable for my journey.

ASSISTANT: We found a connecting flight with Hawaiian airlines, flight number 1019 in economy class, and the fare is 100.

USER: Ok, please proceed for booking.

ASSISTANT: To proceed further, may I know your name please?

USER: My name is Amy Smith.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.