You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your good name please?

USER: I am Nancy Smith.

ASSISTANT: How can I assist you today?

USER: I am planning to surprise my mother on her birthday by giving a diamond ring, so please help me in booking a flight ticket to my home town Seattle.

ASSISTANT: Sure, I will help you. When do you want to go to Seattle?

USER: I would like to fly on 11/04 and return on 11/06.

ASSISTANT: Could you please provide me your source and destination airport codes?

USER: My source is Boston, MA - BOS and destination code is NV - LAS.

ASSISTANT: How much you can afford for a flight ticket?

USER: I can afford up to 500.

ASSISTANT: Ok, do you want connecting flight?

USER: Yes, I need a single connection.

ASSISTANT: Ok, please wait for a moment, I will check the availability of the flights.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a Spirit airline, flight number: 1016, price: 100 with one connection.

USER: You can proceed to booking.

ASSISTANT: Your E-ticket has been generated, it will be sent to your registered E -mail id.

USER: Thank you for your good service.

ASSISTANT: Thank you. Have a good day.