You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moment?

USER: I want to attend my father's retirement function, so please book my ticket from PHL to IAD.

ASSISTANT: Sure, do you need any lay by in between the journey?

USER: I prefer 1 stopover in my journey.

ASSISTANT: Sure, may I know your good name please?

USER: Jerry Collins here.

ASSISTANT: On which dates would you like to travel?

USER: My itinerary dates are Jan 23 and Jan 25.

ASSISTANT: Can I have your class preference?

USER: I have no preferences.

ASSISTANT: Ok, please wait for few minutes.

USER: I want to depart from Philadelphia in the morning.

ASSISTANT: We found a Frontier airlines with fare of 100 and a lay by in between the journey matches your schedule.

USER: May I know the flight timings.

ASSISTANT: It departs at 11:00 hours and arrive at 5:00 hours.

USER: Book my ticket.

ASSISTANT: Your ticket has been confirmed with flight number 1010.

USER: Thank you.

ASSISTANT: Thank you for reaching us.