You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me to book a economy class flight ticket?

ASSISTANT: Sure, can you provide me with the airport codes?

USER: My airport codes are ORD and DCA.

ASSISTANT: Let me know the travel dates?

USER: My journey dates are Aug 13 and Aug 15.

ASSISTANT: May I know the connection limit?

USER: I prefer connecting flight for this trip.

ASSISTANT: Is there any time concern?

USER: No, thanks for asking.

ASSISTANT: Are there any more preferences?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is Sandra Martinez.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT:  Thank you for waiting and we have found a flight in economy class with 1 connection in Hawaiian airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your ticket is booked with flight 1020 and departure: ORD 13:00PM Aug, 13 arrival: DCA 13:00PM Aug, 15.

USER: Thank you.

ASSISTANT: Thank you for reaching us.