You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Edward Lopez.

ASSISTANT: Nice to meet you, Edward Lopez.

USER: I want to book a ticket from Las Vegas-LAS airport to Philadelphia Phl airport to meet my client. Philadelphia airport code is PHL.

ASSISTANT: Ok, could you tell me your preferable dates?

USER: My departure date is on 05/09 and return on 05/11.

ASSISTANT: Ok, please give me a minute.

USER: Ok.

ASSISTANT: There is a flight available for you with 1 connection. Shall I proceed?

USER: Yes, please proceed for booking.

ASSISTANT: Sure. Your ticket is booked with Hawaiian airline in 1019 flight.

USER: Thanks for your help.

ASSISTANT: Most welcome.