You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Paul Lewis.

ASSISTANT: How may I assist you?

USER: I would like to travel from SEA to IAH, can you help me to book a flight ticket?

ASSISTANT: Sure, we are mirthful to help you. May I know your travelling dates?

USER: I am travelling from Jan 23 to Jan 25.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Thanks for providing details, there is a flight found in AA airline with a fare of 100 and the flight number is 1004. Shall I reserve?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.