You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Pamela Hall.

ASSISTANT: How can I aid you today?

USER: I need to go for Private moon light DC city walk with my fiance in Washington, IAD.

ASSISTANT: Ok.

USER: Could help me in booking me a flight Oakland, OAK?

ASSISTANT: Sure, I am perky to help you.

USER: Thank you.

ASSISTANT: Please mention the travel dates.

USER: 07/29 - 07/31 are my willing dates for trip.

ASSISTANT: Do you have any restriction in price?

USER: 500 is the budget.

ASSISTANT: Ok. We found a Spirit airline with a fare of 100. Flight number is 1022.

USER: Proceed with my booking.

ASSISTANT: Your booking is done.

USER: Thank you for assisting me.

ASSISTANT: Thank you.