You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, How can I help you?

USER: I am Christine Jones and I want to book a ticket from TX- IAH to GA-ATL.

ASSISTANT: Sure, To proceed further, We need your journey dates?

USER: My journey dates are from may/11 to may/13.

ASSISTANT: Sure, Please wait for a moment.

USER: OK.

ASSISTANT: Thank you for being patient, We did not find any flight on your specified name. Thank you for contacting us.

USER: OK, Thank you for your service.