You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Angela Thomas.

ASSISTANT: How may I assist you?

USER: Could you please help me in flight ticket booking process from OAK to SFO?

ASSISTANT: Sure, I will help you. May I know your planned travel dates please?

USER: Thank you for your response, I want to take off on Apr 29 and book my return ticket also on May 01.

ASSISTANT: May I know your connection preference?

USER: I need 1 break in my journey.

ASSISTANT: Can I know your departure and arrival timings?

USER: I want to return in evening time.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: I found an economy class in UA airlines with fare 300 and it has single connection. Can I book your ticket?

USER: Please confirm this flight ticket for me.

ASSISTANT: Ok, your booking is confirmed with flight number 1022.

USER: Thank you for assisting me.

ASSISTANT: Thank you for choosing us.