You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Nancy Brown, please book my flight ticket from Minneapolis MSP to Seattle SEA.

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: Please share your planned journey dates?

USER: My journey dates will start from Dec 03 to Dec 05.

ASSISTANT: Can you please share  your fare limit?

USER: As my price limit is high, I can spend up to 5000.

ASSISTANT: Do you have any class preferences?

USER: I am flexible with any class.

ASSISTANT: Thanks for your details, we found a connecting flight 1005 in AA airline with fare 100 in economy class. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for availing us.