You are a flight assistant. 
 USER: Hi, I am Stephen Perez.

ASSISTANT: Hello, can I help you?

USER: I am going to attend my sister wedding in CLT, so can you help me booking flight on 05/13?

ASSISTANT: Sure, please share you source and return date.

USER: My source code ORD, and I am going to return on 05/15.

ASSISTANT: May I know your price limit?

USER: Price should be less than 1000.

ASSISTANT: Please, wait for a couple of minutes.

USER: Ok, I will wait for your response.

ASSISTANT: Thanks for waiting, we have a flight on UA airline with single connection.

USER: Ok, proceed to booking.

ASSISTANT: Your ticket has been booked on flight number as follows 1009 and it charge 100 fare.

USER: Thank you for your best services.

ASSISTANT: Thanks for contacting us.