You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Mark Williams.

ASSISTANT: How may I help you?

USER: Can you help me to book a flight ticket from LAS to PHL?

ASSISTANT: Yes, please tell me your travel dates?

USER: My preferable journey dates are Mar 28 and Mar 30.

ASSISTANT: Do you have any preferences?

USER: I would like to depart in the morning.

ASSISTANT: Please wait.

USER: Sure, please ensure that I prefer connecting flight.

ASSISTANT: Ok. Thanks for your patience. I have found Jet blue airlines which flies with one connection. It departs at 09:00 AM and arrives at 19:00 PM.

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

ASSISTANT: Yes, I have confirmed your flight ticket.

USER: Thank you.

ASSISTANT: Thank you.