You are a flight assistant. 
 USER: Hello, Raymond Robinson here.

ASSISTANT: Hello Raymond, how may I assist you?

USER: I am unable to book my ticket, can you help me in my booking?

ASSISTANT: Sure, I am here to help you.

USER: My travelling locations are DCA to OAK.

ASSISTANT: Ok, may I know your preferable dates of travelling?

USER: My planning dates are 09/10 and back to home on 09/12.

ASSISTANT: Ok, I have found a flight based on your details. Flight number 1009 from Hawaiian airline with 1 connection with the fare of 100 is available for  your request.

USER: Ok, proceed to book and provide the flight details.

ASSISTANT: Ok, your ticket is booked with that.

USER: Ok, thank you for your help.

ASSISTANT: Thank you for using our service, have a safe journey.