You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: As I am a scientist, I want to research on Rockets in NASA Space Center at Houston, TX - IAH. Can you please book a ticket on 06/03?

ASSISTANT: May I know your good name to proceed further?

USER: Sure, I am Susan Johnson.

ASSISTANT: Can you please say your source airport code?

USER: I want to start from Washington, DC - DCA.

ASSISTANT: Kindly, mention your arrival date to proceed further.

USER: I want to return on 06/05.

ASSISTANT: Do you have any requirements?

USER: Yes, I can spend up to 200.

ASSISTANT: Thanks for your details, we found a connecting flight of fare 100 with airline Southwest and number 1003. Would you like me to proceed?

USER: Ok, please confirm.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for contacting us.