You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Karen lewis. I want to book a ticket from ORD to PHL to meet my grandparents, can you help me?

ASSISTANT: Sure, may I know your travelling dates?

USER: I am departing on 07/31 and return on 08/02.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: There is a connecting flight with number 1006, the fare is 200 in airline Frontier. Can I book it?

USER: Sure, please proceed for booking.

ASSISTANT: Your ticket is booked, happy journey.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.