You are a flight assistant. 
 USER: Hi, I am Donald Brown.

ASSISTANT: Hello, how may I serve you today?

USER: I would like to participate in robotics fest with my sensors project at Seattle, WA - SEA. Can you please book a ticket from MSP?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can I know your journey dates?

USER: I want to depart on 05/02 and return on 05/04.

ASSISTANT: How much you can afford for ticket?

USER: I can pay 200 only.

ASSISTANT: We found a flight of frontier airline, flight number as 1025 with the fare of 100.

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for reserving my ticket.

ASSISTANT: Thank you for opting us.