You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can you please tell me how may I aid you?

USER: Please help me in booking my flight ticket from IAD to PHX?

ASSISTANT: Yes, I will help you with that. Can you please let me know your travel dates?

USER: My travelling dates are Aug 04 and Aug 06.

ASSISTANT: Ok, please tell me your respective name.

USER: Myself Alexander Rodriguez.

ASSISTANT: Is there any specific timings to depart and return?

USER: No preference in timing but I need economy class ticket.

ASSISTANT: Ok, how many maximum number of connections do you prefer in between your journey?

USER: I need single connection flight.

ASSISTANT: Ok, there is a flight ticket with the cost of 100 in an economy class ticket and the flight-1025. Can I reserve your ticket?

USER: Please proceed with booking.

ASSISTANT: Ok, I have reserved your ticket with the United Airlines and this flight departs at 16:00 hours and returns at 19:00 hours. Have a safe flight.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing our travel agency.