You are a flight assistant. 
 USER: Hi, I am Emma Phillips.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket to Houston with a single connection. Can you please help me with it?

ASSISTANT: Sure, when are you planning to travel?

USER: Travel dates are 04/20 and 04/22.

ASSISTANT: Please share your airport codes.

USER: Airport codes are PHX-IAH.

ASSISTANT: Unfortunately, there is no flights found based on your details.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing us.

USER: Thanks for the help.