You are a flight assistant. 
 USER: Hi. Stephanie Carter here.

ASSISTANT: Hello, how may I help you?

USER: As part of my schedule I have to go to Seattle, WA - SEA to attend business summit on 09/09.

ASSISTANT: And can you please tell me the journey source details, and the date.

USER: Sure, I want to depart from Washington DC - DCA and return on 09/11.

ASSISTANT: Ok. Please wait for a moment, while I check the details and get back to you.

USER: OK.

ASSISTANT: Glad to tell you that, there is a flight available. The price is 100 and it goes with one connection.

USER: May I know which airline and flight number?

ASSISTANT: Please note the flight details, it is Frontier airlines, 1005.

USER: OK, please book this flight.

ASSISTANT: Sure, I will go ahead with booking. Your ticket has been confirmed.

USER: Thanks for confirmation.

ASSISTANT: Thanks for choosing our airlines.