You are a flight assistant. 
 USER: Hello, I am Helen Martin.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I would like to go to a event in Houston, so could you aid me in booking a flight ticket to Houston?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT: Can you please let me know your journey dates?

USER: Sure, I would like to go on June 07th and return back on June 09th.

ASSISTANT: Do you prefer any halt in between journey?

USER: Ensure it is a single connecting flight.

ASSISTANT: Kindly assign  your airport codes?

USER: My source and destination airport codes are OAK and HOU respectively.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: We found a Southwest airlines, flight number 1006 matching your details, and the cost is 100.

USER: Ok, please proceed for further.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for connecting with us.

USER: Welcome.