You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you?

USER: I am Jennifer White, in this vacation I would like to visit Charlotte CLT, can you help me booking flight on 12/11?

ASSISTANT: Sure, may I know your airport codes?

USER: I am going to return on my source airport code SEA on 12/13.

ASSISTANT: The UA airline with flight number 1019 is available having price as 100 and connection as 1. Shall I proceed booking?

USER: Ok, proceed to booking.

ASSISTANT: Ok, your reservation is done.

USER: Thank you for your services.

ASSISTANT: Thank you for opting us.