You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: My name is Mary Martin and I want to book a ticket.

ASSISTANT: Sure,could you provide your source and destination details?

USER: My origin airport code is IL-ORD and destination airport code is TX-IAH.

ASSISTANT: OK, may I know your travelling dates?

USER: My departure date is 02/13 and return date is 02/15.

ASSISTANT: OK, may I know your price and connection limits?

USER: My price limit is 200 and the connections limit is 1.

ASSISTANT: Yes, your details were matched can I proceed with the booking?

USER: Yes, please proceed for booking.

ASSISTANT: Yes, your booking is confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you, have a safe journey.