You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Anna Thomas.

ASSISTANT: How can I oblige you?

USER: As I need to progress the film festival, I choose to travel to Los Angeles, LAX.

ASSISTANT: Ok.

USER: So, please reserve a seat in return on 10/01.

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: May I know your source code?

USER: It's Atlanta, ATL.

ASSISTANT: Do you prefer connecting flight?

USER: Yes, please check with a connecting flight.

ASSISTANT: To proceed booking I need your return date. From Atlanta.

USER: I will start on 09/29.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: There is no flights found on your given requirements.

USER: Ok. Thank you.

ASSISTANT: Thank you for choosing us.