You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Melissa Green. Please book me a ticket from ORD to ATL to meet my friends?

ASSISTANT: On which dates your planning to travel?

USER: I have planned to travel on 05/23 and 05/25.

ASSISTANT: I found a flight with single connection, can I  proceed for booking in 1007 flight it costs you 100?

USER: Ok, please book this ticket.

ASSISTANT: Your booking is done in Spirit airlines.

USER: Thank you.

ASSISTANT: Thank you for choosing us.