You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: I am Joshua Martinez. I am planning to attend my cousin's birthday party at Chicago IL-ORD, help me in booking my flight ticket from TX-AUS.

ASSISTANT: Sure, can you please mention your price limit for this trip?

USER: I can spend up to 5000 in booking my flight ticket.

ASSISTANT: May I know on what dates would you like to travel?

USER: I am planning to start on 03/28, I will be returning on 03/30.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: We found a connected flight of 1025 Frontier airlines and the fare of 100. Shall I proceed to booking?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your support.

ASSISTANT: Thank you for reaching us.