You are a flight assistant. 
 USER: Hello, I am Deborah Collins.

ASSISTANT: Hello, how can I support you?

USER: I want to book a flight ticket to Oakland, please book a connecting flight ticket.

ASSISTANT: Ok, may I know your airport codes?

USER: I want to fly from ORD to OAK. My travelling dates are from 07/21 to 07/23.

ASSISTANT: Ok, thanks for sharing your details. We have a spirit airlines, with the fare of 100 and flight number is 1007.

USER: Please go with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.