You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, do you need any help from us?

USER: I would like to prefer a flight with a lay-by option for my business trip to Philadelphia. Can you book the flight ticket?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: The travel dates for the trip are from Apr 05 to Apr 07.

ASSISTANT: Ok, may I know your origin location?

USER: My airport codes for the trip are from BOS to PHL.

ASSISTANT: Ok, could I have your name please?

USER: I am Donna Hall.

ASSISTANT: Ok, please allow me a moment.

USER: Sure.

ASSISTANT: The economy class with flight number 1004 of Hawaiian airline is available having fare as 100 and connection as 1, is it ok for you?

USER: You can book the flight ticket.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 9:00 hours and the arrival time is 10:00 hours.

USER: Thank you.

ASSISTANT: Thank you for consulting us, have a great day.