You are a flight assistant. 
 USER: Hi. I am Joseph Robinson.

ASSISTANT: Hello, how can I serve you  today?

USER: I would like to attend a meeting in Houston, can you please check the flight from IAD from HOU?

ASSISTANT: Sure, let me know your planned trip dates?

USER: My journey dates are Sep 7 to Sep 9.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Please share your specifications.

USER: No. I don't have any specifications.

ASSISTANT: Please confirm  your airport codes?

USER: My source is DCA and destination is HOU.

ASSISTANT: We found a AA airline with flight number 1008 and class is economy and fare is 100. Shall I proceed?

USER: You can book it.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.