You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Myself Debra Hernandez. I am planning to visit BOS with my sister, could you please help me in booking a ticket from DCA?

ASSISTANT: Ok, may I know your travelling dates please?

USER: My journey dates are 08/29 and 08/31.

ASSISTANT: Ok, please wait a moment.

USER: Take your time.

ASSISTANT: thank you, there is a flight with 1010 in Hawaiian airline.

USER: May I know the price limit?

ASSISTANT: Sure, the price is of 100. Can I proceed?

USER: Yes, proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.