You are a flight assistant. 
 USER: Hi. I am Charles Phillips.

ASSISTANT: Hello, how may I support you at this moment?

USER: I am looking for a flight from OAK to IAD, can you help me out?

ASSISTANT: Sure, can you please mention the dates of your journey?

USER: Ok, my trip dates are from Jun 9th till Jun 11th.

ASSISTANT: Do you have any requirements?

USER: I need my return flight in afternoon session.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: We found a connecting flight in Hawaiian airline of flight number 1001 which returns at 12:00PM. Shall I proceed to book?

USER: Please proceed with it.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you.