You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Laura Walker here.

ASSISTANT: How can I help you at this moment?

USER: I need to go to my birth place to visit my grand parents who are staying at IAD, can you please book me a flight ticket from PHX?

ASSISTANT: Sure, I am happy to help you with that. Can you please mention your preferable travel dates?

USER: Thank you. My travel dates are Mar 6th and 8th.

ASSISTANT: Is there any additional preferences do you have?

USER: I need a single connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Ok, sure.

ASSISTANT: Delta airline flight available with connection limit 1 and fare is 100, shall I confirm this economy class flight?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket is booked successfully, flight number is Laura Walker. Sorry, flight number is 1025.

USER: Ok. Thank you for the help.

ASSISTANT: You are welcome Laura Walker.