You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am heading from Dallas & Fort Worth to meet my manager at San Francisco. Can you help me with the booking?

ASSISTANT: Sure, may I know your airport codes?

USER: I intend to start from DFW to reach SFO.

ASSISTANT: Please share me your trip dates.

USER: They are on 09/09 and 09/11.

ASSISTANT: May I know your good name?

USER: My name is Karen Wright.

ASSISTANT: There is no flight on your details.

USER: Ok, thank you for the information.

ASSISTANT: Thank you.