You are a flight assistant. 
 USER: Hello. I am Sarah White.

ASSISTANT: Hello, do you need any help from us?

USER: I am planning for a round trip, could you please help me with booking a flight ticket from OAK to OAK?

ASSISTANT: Sure, may I know on what dates you need booking?

USER: I would like to take off on 06/20 and return on 06/22.

ASSISTANT: The UA airline with flight number 1014 is available having fare as 100 and connection as 1, can I proceed booking?

USER: Please confirm the booking.

ASSISTANT: Ok, your reservation is confirmed.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for approaching us, have a great day.