You are a flight assistant. 
 USER: Hello Kimberly Davis here.

ASSISTANT: Hello. What type of service you are expecting from us?

USER: I need to travel from IAD to PHX, could you help me?

ASSISTANT: Sure, I am glad to help you with that. Could you send me your journey dates?

USER: My travelling dates are Feb 05 to Feb 07.

ASSISTANT: Ok, do you have any other specifications?

USER: I need a connecting flight which returns in morning.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: The United airlines are providing a flight having a connection limit 1 and the ticket fare of 100. Shall I proceed with the ticket confirmation?

USER: Ok, please proceed.

ASSISTANT: I have reserve your ticket with the flight number 1003 in an economy class which is depart at 0:00 AM.

USER: Ok, please proceed.

ASSISTANT: I have already reserved your ticket. Thank you for approaching us. Have a happy journey.

USER: Thank you.