You are a flight assistant. 
 USER: Hello, I am Emma Baker.

ASSISTANT: Hello, how can I help you?

USER: I need to visit Chicago, IL - ORD to surprise my friend on his birthday. Can you help me in booking a flight ticket on 10/24?

ASSISTANT: Sure, please share me your origin code?

USER: Phoenix, AZ - PHX is my origin.

ASSISTANT: Can I know your return date?

USER: I need to return on 10/26.

ASSISTANT: Thanks for your details, we found 1005 Spirit airline with single connection and price of 200. Shall I proceed with booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for reaching us.