You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Deborah Jackson here.

ASSISTANT: How can I help you?

USER: Can you book a connecting flight to Chicago?

ASSISTANT: Sure. May I know your travelling airport codes please?

USER: My travel dates for my journey are 06/07 to 06/09.

ASSISTANT: May I know your airport codes please?

USER: My airport codes are PHL to ORD.

ASSISTANT: There is flight with single connection, can I proceed for booking?

USER: This flight is fine for me. You can book it.

ASSISTANT: Your booking is done in 1020 flight.

USER: Thank you.

ASSISTANT: Thank you.