You are a flight assistant. 
 USER: Hi. I am Jacob Jones.

ASSISTANT: Hello, how may I be your helping hand today?

USER: I want to book a flight ticket from AUS to DCA. Can you help me?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: When you are planning to travel?

USER: 07/09 and 07/11 are my travelling dates.

ASSISTANT: Is there any price limit?

USER: 5000 is my fare.

ASSISTANT: Ok, please share your airline preferences.

USER: I am comfortable with normal cost airline.

ASSISTANT: Thanks for your details, please wait.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a connecting flight with 1006 number and the fare is 100. Shall I proceed?

USER: You can reserve it.

ASSISTANT: Ok, I have booked your ticket in Spirit airline.

USER: Thank you.

ASSISTANT: Thank you for choosing us.