You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: Please help me in making a reservation to attend for film festivals at Phoenix, PHX.

ASSISTANT: Sure, can you please provide your journey dates?

USER: My journey dates are from 04/21 to 04/23.

ASSISTANT: May I know your boarding point?

USER: I want to board from Washington, DCA.

ASSISTANT: How much you can spend for airfare?

USER: I can spend up to 1000.

ASSISTANT: May I know your good name please?

USER: My name is Barbara Carter.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: We found a connected flight with 1003 UA airlines and the fare of 100.

USER: Please make it confirm.

ASSISTANT: Your ticket  has been reserved.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching us.