You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Justin Edwards here.

ASSISTANT: How can I help you today?

USER: Reserve a flight ticket from SFO to OAK.

ASSISTANT: Sure, I can help you in booking flight ticket. May I know your preferable travel dates for booking flight ticket?

USER: My preferable dates for travelling are 07/21 to 07/23.

ASSISTANT: Ok, please wait a moment, I will check flight availability.

USER: Sure.

ASSISTANT: I have found a flight in this route, airline is JetBlue and flight number is 1006. Shall I confirm this flight ticket for you?

USER: Keep the price below 200 and then you can book the flight ticket.

ASSISTANT: Yes, price limit of this airline 100. Your flight ticket is booked successfully in your name.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us, have a good day.