You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carolyn Lee.

ASSISTANT: How may I be of your helping hand?

USER: I am planning to submit my new project in Houston, can you please help me in making an airline reservation from Washington?

ASSISTANT:  Sure, we are here to make your journey comfort.

USER: Thank you.

ASSISTANT: May I know your preferable dates of journey please?

USER: My depart will be on Apr 8 and return on Apr 10.

ASSISTANT:  May I know from where you are flying from and landing at?

USER: I am flying from IAD and landing at IAH.

ASSISTANT:  Please hold on a moment, I will check flight availability in this route.

USER: Sure.

ASSISTANT: Thank you for your details, we found a flight 1013 in Hawaiian  airline the price is 100 with a halt. Shall I proceed to book?

USER: You can reserve it.

ASSISTANT: Your flight ticket has been booked in an economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.