You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: John Miller here.

ASSISTANT: How can I help you?

USER: I would like to meet my friend in HOU. Could you please help me to book a ticket from ORD?

ASSISTANT: Sure, I would be happy to help you. May I know your depart date?

USER: My journey starts on 06/22.

ASSISTANT: How much you can afford for this journey?

USER: Fare is 500.

ASSISTANT: When you have planned to catch the return flight?

USER: My return journey date will be on 06/24.

ASSISTANT: Give me a minute, I will check and let you know the flight availability.

USER: Ok.

ASSISTANT: Thanks for your time, Frontier airline flight is running on your route at the price of 100 and having single connection. Can I reserve this ticket?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been confirmed with flight number 1003.

USER: Thank you.

ASSISTANT: Thank you for availing us.