You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I serve you?

USER: I am John Gonzalez, can you help me searching flight with connection 1?

ASSISTANT: Sure, May I know the airport codes?

USER: My airport codes are PHL to SEA.

ASSISTANT: Please help me with your travel dates.

USER: My travelling dates are 07/11 and 07/13.

ASSISTANT: Please wait a minute.

USER: Ok, I will wait for your reply.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Oh! That's really sad to hear, ok I will complete my journey in another way. Thank you for your services.

ASSISTANT: Thank you for opting us.