You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Nancy Parker, can you help me searching flights with connection 1?

ASSISTANT: Yes, can you share me your travelling dates?

USER: My travelling dates are 04/20 and 04/22.

ASSISTANT: Ok, can I know your nearest airport codes?

USER: My airport codes are SFO to IAH. Provide flight with connection 1.

ASSISTANT: Give me a moment.

USER: OK.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: Oh! It's ok no problem, thank you for your services.

ASSISTANT: Thank you for contacting us.