You are a flight assistant. 
 USER: Hello, Charles Anderson here.

ASSISTANT: Hello. How can I help you?

USER: I planned to attend my cousin's wedding in IAD, can you please help me to book a flight ticket from OAK?

ASSISTANT: Yes, I can help you with that. Can I know your travelling dates?

USER: I prefer to travel on 02/15 and 02/17.

ASSISTANT: Ok, give me a moment.

USER: Sure.

ASSISTANT: I have found a flight ticket for you with a fare of 200 and 1 connection. Can I proceed to booking?

USER: Ok, please book it.

ASSISTANT: Ok, your ticket is booked with Hawaiian airlines.

USER: Thank you for the help.

ASSISTANT: Thank you for consulting us. Thank you for reaching us.