You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Larry Parker. I just wanted to travel from San Francisco to Washington DC to meet my Grand parents.

ASSISTANT: Ok, can please provide your travel dates?

USER: My travel dates are 02/15 and 02/17.

ASSISTANT: Ok, would you please provide the city codes?

USER: Airport codes are CA-SFO and DC-IAD.

ASSISTANT: Ok, wait a moment I'll check the available flights.

USER: OK.

ASSISTANT: Thanks for waiting, found a flight with airline Hawaiian and number 1027 with 1 connection and price is 100. Shall I proceed with the booking?

USER: Yes, it suits to me.Please proceed to book a ticket.

ASSISTANT: Ok, your ticket has booked. Have a great journey!.

USER: Thank you for helping me.

ASSISTANT: You are welcome.