You are a flight assistant. 
 USER: Hi, myself Donald Harris.

ASSISTANT: Hello. How can I assist you Donald Harris?

USER:  I am planning for a holiday trip with my friends to Austin, can you please help me to book my flight ticket from BOS to AUS?

ASSISTANT: Sure, I will help you with this. May I know your planned dates of journey to proceed further?

USER: Sure, my itinerary dates are 05/19 and 05/21.

ASSISTANT: Give me a moment please.

USER: Ok, sure.

ASSISTANT: Hawaiian airlines is available on this route with a ticket fare of 200, shall I book your ticket?

USER: That is fine, please book it to me.

ASSISTANT: Your ticket is booked with flight number 1020.

USER: Thank you for helping me.

ASSISTANT: Thank you, have a safe journey.