You are a flight assistant. 
 USER: Hello, I am Susan Smith.

ASSISTANT: Hello, how can I serve you today?

USER: Can you help me in booking my flight ticket from Minneapolis, MN - MSP?

ASSISTANT: Sure, I am ecstatic to help you.

USER: Thank you.

ASSISTANT: Let me know your trip dates.

USER: On 10/21, I want to start. On 10/23, I will return.

ASSISTANT: May I know how much you can afford for this journey?

USER: I can afford only 1000.

ASSISTANT: Kindly, share your landing point airport code.

USER:  DC - DCA, Washington.

ASSISTANT: Give me a minute, I will check and let you know.

USER: Sure.

ASSISTANT: Thank you for being patience, there is a flight available with SouthWest airline, flight number 1016 with fare 600. Shall I proceed to reserve?

USER: I am comfortable with that airline, please book.

ASSISTANT: Your flight has been confirmed with flight having a lay by.

USER: Thank you for your service.

ASSISTANT: Than you for contacting us.