You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance for you?

USER: Margaret Jones here. I want to attend a Marriage in Washington. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am perky to help you.

USER: Thanks.

ASSISTANT: May I know, from where you are planning to board?

USER: My source airport code is LAX.

ASSISTANT: Could you please share your travelling dates?

USER: My travelling dates are from 07/22 to 07/24.

ASSISTANT: Kindly, share your destination airport code to proceed further.

USER: My destination airport codes is IAD.

ASSISTANT: Thank you for sharing your details, please wait.

USER: Ok, I will wait.

ASSISTANT: Thank you for being patience, there is a flight available in Frontier airline, flight number 1004 having fare 100 and a lay by. Can I proceed to reserve?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your booking has been processed successfully.

USER: Thanks for helping me.

ASSISTANT: Thank you for availing us.