You are a flight assistant. 
 USER: Hello. I am Emma Lewis.

ASSISTANT: Hello, how may I serve you now?

USER: I am planning to travel from DTW to HOU, can you help in finding a flight?

ASSISTANT: Sure, please mention your budget for flight icket.

USER: My budget limit is 5000.

ASSISTANT: Please share me your planned journey dates?

USER: My travelling dates are 05/13 to 05/15.

ASSISTANT: Do you need any connection in between journey?

USER: I want direct flight.

ASSISTANT: Thanks for the details, sorry there is no direct flight available on your journey details.

USER: That's ok, thanks for your help.

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