You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: I am Betty Collins. I am planning to visit library of Congress located at Washington, DC - IAD to gather in formation about old politicians as I am a journalist. Can you please book a ticket from Houston, TX - HOU?

ASSISTANT: Sure, please mention your connection limit.

USER: I need a flag station in between my journey.

ASSISTANT: Can you please share you journey dates?

USER: I prefer to depart on 02/01 and return on 02/03.

ASSISTANT: Give me sometime to check and get back to you.

USER: Sure.

ASSISTANT: Thank you for being wait. There is a AA airline with flight number 1004 and price is 100 matching your requirements.

USER: Please book this ticket.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for providing your service.

ASSISTANT: Thank you for availing us.