You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Can you please help me in booking my flight ticket with in fare limit 5000?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travelling dates are 08/15 and 08/17.

ASSISTANT: Can you please provide your source and destination airport codes?

USER: My travelling nearest airport codes are AUS to HOU.

ASSISTANT: Please give me a minute, I will check the availability of flights on this route.

USER: Ok, sure.

ASSISTANT: Here is a flight with ticket fare 700 in Frontier airlines with a stopover. Is it ok for you?

USER: Ok, please proceed and confirm my ticket with name Mark Johnson.

ASSISTANT: Your booking is confirmed with flight number 1015.

USER: Thank you.

ASSISTANT: Thank you for contacting us, have a nice day.