You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Deborah Allen here. I am looking for a flight ticket with morning as the depart time. So can you book it for me?

ASSISTANT: Sure, I am here to help to you. May I know your airport codes?

USER: The airport codes are from ORD to LAS.

ASSISTANT: Ok, let me know your travel dates.

USER: Yes, the travel dates are from 16 June to 18 June.

ASSISTANT: Do you have any specifications?

USER: I need a single connecting flight.

ASSISTANT: Do you have any specific depart and arrival time?

USER: I already mentioned it.

ASSISTANT: Ok, please be on hold. Let me check with the flight availability.

USER: Ok.

ASSISTANT: We found a flight matching to your requirements from Delta airlines, shall I proceed with booking?

USER: I am fine with the airlines and fare. You can book it.

ASSISTANT: Your ticket is confirmed with the flight-1018 in economy class.

USER: Thank you.

ASSISTANT: Welcome, have a safe journey.