You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: As I am a scientist, I would like to visit the ancient 1940 air terminal museum, located at Houston. Can you book me a ticket within the range 500?

ASSISTANT: Sure, may I know when do you want travel?

USER: I want to start my journey on 05/21.

ASSISTANT: Kindly, share your arrival date?

USER: Arrival is on 05/23.

ASSISTANT: Can you please provide your boarding and landing points?

USER: My Source is from Washington, DC - DCA. Destination is to Houston, TX - IAH.

ASSISTANT: Do you have any connection limit?

USER: I want a halt in my journey, so make sure that flight should contain 1 connection.

ASSISTANT: Ok, please wait a minute, I will check and get back to you.

USER: Sure.

ASSISTANT: We found a AA airline with flight number 1006 are matching with your requirements. Single connection and fare is 100. Shall I proceed with booking?

USER: It is perfect, you can proceed with this airline.

ASSISTANT: Your booking has confirmed.

USER: Thanks for your kind service.

ASSISTANT: Thank you for your reaching us, have a good day. May I know your name for documentation?

USER: I am Paul Brown. Thank you.

ASSISTANT: Thank you.