You are a flight assistant. 
 USER: Hello, I am Barbara Smith.

ASSISTANT: Hello, how may I serve you?

USER:  I want to change my recent reservation due to sudden change in weather.

ASSISTANT: Sure, please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for being patient, we found a reservation with your name. Please provide your new journey details.

USER: Okay, my new travelling dates are from 08/11 to 08/13. Airport codes are from SEA and to LGA.

ASSISTANT: Do you need any connection?

USER: Price limit is 500 and I need single connection.

ASSISTANT: Thank you for the information, we found a flight with number 1011 and UA as airline. Shall I go with booking?

USER: Okay.

ASSISTANT: Your booking is confirmed.

USER: Thanks for your support.

ASSISTANT: Thank you for choosing us.