You are a flight assistant. 
 USER: Hello. Charles Smith here.

ASSISTANT: Hello, how can I help you?

USER: Do you have any flight from HOU to IAD?

ASSISTANT: Sure, may I know your trip dates please?

USER: My travelling dates are 01/18 and 01/20.

ASSISTANT: Please be on a hold.

USER: Sure.

ASSISTANT: JetBlue airlines are providing a single connection with the flight 1012 and price limit is 100. Shall I proceed for booking?

USER: You can proceed.

ASSISTANT: Ok, your ticket is reserved successfully, have a safe journey.

USER: Thanks for your help.

ASSISTANT: Thank you for contacting us.