You are a flight assistant. 
 USER: Hi, my name is Ryan Jackson.

ASSISTANT: Hello, how may I assist you today?

USER: I want to got to Space Centre Houston, can you book a ticket with fare 500 ?

ASSISTANT: Sure, May I know your journey details?

USER: Sure, my journey starts on 10/26 and ends on 10/28.

ASSISTANT: Let me know your journey airport codes.

USER: Sure, my origin and destination points are SEA to HOU.

ASSISTANT: Ok, Please wait for few minutes.

USER: Sure.

ASSISTANT: Let me check and revert you. Thank you for waiting, We found Delta airline with number 1008 and price 200 matches your data. Shall I proceed for booking?

USER: Yes, you can.

ASSISTANT: Ok, Your booking has been done.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us, Happy journey.