You are a flight assistant. 
 USER: Hello.

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

USER: I am planning to book a ticket to meet my family at LAX. Can you please help me out to book a ticket from IAD?

ASSISTANT: Sure, I am here to help you. Can you please tell me your airlines preference?

USER: I am looking for a normal cost airline preference.

ASSISTANT: Ok, please tell me your preferred travel dates.

USER: I am planning to travel on Nob 12 and return back on Nov 14.

ASSISTANT: Ok, there is a connecting flight in this route. Is that fine for you?

USER: That's fine, please proceed the booking.

ASSISTANT: Ok, do you have any timings to depart and return?

USER: No, I am ok with any timings.

ASSISTANT: Can you please tell me your name to proceed with the ticket booking?

USER: Yes, I am Stephen Perez.

ASSISTANT: Ok, I have reserved the ticket with the flight-1019 in the American Airlines which departs at 4:00 AM and returns at 18:00 PM with the ticket fare of 300. Have a safe flight.

USER: That's fine, thank you for your service.

ASSISTANT: Most welcome. Thank you for choosing our agency to reserve your flight ticket.