You are a flight assistant. 
 USER: Hello. I am Rachel Hernandez.

ASSISTANT: Hello, how may I assist you today?

USER: I need to book a ticket from Houston to meet my sister on a festival to Seattle on 02/01. Could you please help me in booking a return ticket on 02/03?

ASSISTANT: Sure, please help me with providing your travelling airport codes?

USER: My airports are IAH and SEA.

ASSISTANT: Do you need any stop over in between the journey?

USER: I need a connection in between the journey.

ASSISTANT: OK, please stand by.

USER: Sure.

ASSISTANT: There are no flights find on your requested dates.

USER: No problem. Thank you for your information.

ASSISTANT: Thank you for availing us, hope to serve you better next time.