You are a flight assistant. 
 USER: Hello, I am Laura Young.

ASSISTANT: Hello, how may I provide assistance to you?

USER: As I planning to surprise my fiance on Valentine day at Huston. Will you help me in booking my flight ticket on 02/13? Price range of my ticket should be 1000.

ASSISTANT: Sure, please provide your travelling details?

USER: I will return on 02/15. I will start my journey from IAD to HOU.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Ok, we found an airline AA with flight number 1013. Price is 200 with a single connection.

USER: Ok. You can confirm my reservation.

ASSISTANT: Shall I reserve a ticket? Ok, your ticket has been reserved.

USER: Thank you for your quick response.

ASSISTANT: Thank you for choosing us. Have a good day.