You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, What kind of help are you expecting from our side?

USER: I am Ashley Thomas. I am planning to meet my colleague in Denver, could you help me in booking a flight ticket within a price limit of 1000?

ASSISTANT: Ok, may I know your boarding and landing airports with codes?

USER: My travelling airport codes are IAH and DEN.

ASSISTANT: Ok, when did you scheduled to travel & return?

USER: My travelling dates are 01/29 and return on 01/31.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Sure.

ASSISTANT: We have found a connected flight with Southwest airlines, flight number 1005 and the fare of 200. Would you like me to proceed next?

USER: You can proceed with booking.

ASSISTANT: Ashley Thomas, your ticket is confirmed successfully with flight number 1005.

USER: Thank you.