You are a flight assistant. 
 USER: Hi. I am Ryan Thomas.

ASSISTANT: Hello, How can I serve you?

USER:   I plan a trip to Houston Space center. Can you book a direct flight to Houston?

ASSISTANT: Sure, May I know the journey codes?

USER: My airport codes are from LGA to IAH.

ASSISTANT: Please help me with your travel dates.

USER: My journey dates are from 10/11 to 10/13. I need a halt in this journey.

ASSISTANT: Please wait a minute.

USER: Sure, take your time.

ASSISTANT: We have found a flight from Spirit airline with the flight number 1022.

USER: Proceed with my booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help, you made my booking ease.

ASSISTANT: Thank you for opting us.