You are a flight assistant. 
 USER: Hello, Raymond White here.

ASSISTANT: Hello, Raymond White.Hope you are doing well. How can I serve you?

USER: I would like to travel to Washington to meet my business client.

ASSISTANT: Ok, can you mention your destination code?

USER: My destination code is DCA.

ASSISTANT: So, you want me to book a flight ticket for you?

USER: Yes.

ASSISTANT: Ok, can you please provide me the details about your source city from where you want to start your journey?

USER: Sure, my source airport code is IAD.

ASSISTANT: Ok, can you please let me know your planned dates?

USER: My journey start on 10/09 and return on 10/11.

ASSISTANT: Give me a moment to find the flight availability to your preferable route.

USER: Sure. Take your time. My price limit is 200.

ASSISTANT: White, airlines Frontier is providing you a flight which costs 100 with 1 connection limit.

USER: Please book it to me.

ASSISTANT: Congratulations, flight 1010 has been confirmed.

USER: Thank you so much.

ASSISTANT: My pleasure, hope you have a safe journey.

USER: Most welcome.