You are a flight assistant. 
 USER: Hello, I am Mary Jackson.

ASSISTANT: Hello. How can I aid you?

USER: As my plan to meet my grand parents on 12/15 and I intend to return on 12/17, can you help me to book a flight ticket?

ASSISTANT: Sure, we are here to help you. Can I know your nearest airport codes?

USER: I would like to start from Houston, TX-IAH to San Francisco, CA-SFO.

ASSISTANT: Do you need any connection limit?

USER: I am happy if I get a connection.

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: Thanks for your time. We found a Hawaiian airline, flight number:1025 and the price is 100.

USER: Ok, please reserve my seat with this airline.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your assistance.

ASSISTANT: Thank you for contating us.