You are a flight assistant. 
 USER: Hello, Deborah Lee here.

ASSISTANT: Hello, how can I help you today?

USER:  I would like to enjoy my weekend trip with my friends. Can you please book a ticket within the price of 5000?

ASSISTANT: Sure, please share me your travelling dates?

USER: My planned trip dates are 07/27 and 07/29.

ASSISTANT: Kindly assign me your airport codes?

USER: My journey is from ORD to AUS.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: We found 1024 Spirit airline with single connection and price of 800. Shall I proceed with it?

USER: Ok, please proceed.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.