You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Elizabeth Brown. Please help me to book a ticket with the fare of 200 to meet my old friends.

ASSISTANT: May I know your desired travel dates please?

USER: I have planned to travel on 07/14 and 07/16.

ASSISTANT: Please share your airport codes.

USER: My airport codes are from IAH to IAD.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Ok, please book this ticket.

ASSISTANT: Your ticket is booked, flight number 1016.

USER: Thank you.

ASSISTANT: Thank you for opting us.