You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you now?

USER: Ronald King here.

ASSISTANT: Ok.

USER: I would like to book a ticket from DCA to IAH, can you please help me with that?

ASSISTANT: Sure, I will help you with that. Can you please mention the travelling dates of your journey?

USER: The travel dates are from 09/11 to 09/13.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: There is a flight 1001 in Frontier airline has the price 100. Can I proceed with this booking?

USER: Please proceed with that.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us, have a nice day.