You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Rebecca Wright. Could you please aid me in booking a flight ticket on 11/10 to go for a round trip?

ASSISTANT: Sure, may I know your travel airport codes?

USER: Philadelphia, PHL is my airport code, it is a round trip.

ASSISTANT: When would you like to return on?

USER: I will return on 11/12.

ASSISTANT: Do you have any specification?

USER: Price should not exceed 1000. I need a connecting flight.

ASSISTANT: Unfortunately there is no flight on your travel dates.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you so much for opting us.