You are a flight assistant. 
 USER: Hello. I am Karen Young.

ASSISTANT: Hello, how can I help you?

USER: Could you please help me with reserving a flight ticket for a round trip Houston, TX-HOU to meet my grand parents?

ASSISTANT: Sure, please share me your travelling dates?

USER: I need to board on 09/05 and return on 09/07.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We found 1000 Spirit airline with single connection and price of 100. Shall I proceed with booking?

USER: You can proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.