You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Pamela Harris here.

ASSISTANT: How can I help you today?

USER: I want to travel from OAK to PHL for a business trip, can you please help me out with booking of a flight ticket?

ASSISTANT: Sure, I am happy to help you with that.

USER: Thank you.

ASSISTANT: Can I know your preferable travel dates?

USER: Sure, I am planning to leave on 08/21 and please book my return ticket on 08/23.

ASSISTANT: Ok, please wait a moment.

USER: Ok, take your time.

ASSISTANT:  I have found a flight in this route airline is Delta and flight number is 1021. Are you ok with this flight?

USER: Yes, I am ok with this, you can proceed with booking.

ASSISTANT: Your flight ticket is booked successfully.

USER: Thank you for your help in booking of my flight ticket.

ASSISTANT: Thank you for reaching us.

USER: Welcome.