You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Mary Allen here.

ASSISTANT: How can I assist you?

USER: I want to book a flight reservation for my journey from DCA - EWR, can you help me?

ASSISTANT: Sure Allen, can I know the travel dates please?

USER: My travelling dates will be from 07/08 to 07/10.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a flight in Hawaiian airline with price 100, can I book it?

USER: Ok, please proceed with booking my reservation.

ASSISTANT: Your ticket has been booked with flight number 1001.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us.

USER: Most welcome.