You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to travel from SFO to IAH. Can you help me to book a flight ticket?

ASSISTANT: Sure, please share your journey dates?

USER: I want to travel in the flight on Feb 04 and Feb 06.

ASSISTANT: Do you have any specifications?

USER: I want to have a connecting flight.

ASSISTANT: Is there any class preference?

USER: I prefer economy class.

ASSISTANT: May I know your good name?

USER: Ruth Miller.

ASSISTANT: We found a flight in United airlines, flight number is 1022 with single connection and price is 100 economy class. Shall I proceed?

USER: Proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.