You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I render you today?

USER: From 04/07 to 04/09 I am scheduled to work at client location. Can you please book a ticket for both takeoff and return?

ASSISTANT: Sure, may I know your planned dates? Help me with your airport codes?

USER: My planned dates are 04/07 and 04/09. PHL and DEN are my airport codes.

ASSISTANT: Do you have any fare limit?

USER: My fare limit is 200 only.

ASSISTANT: There is Hawaiian airline flight 1023 with fare 100 having a lay by. Shall I proceed?

USER: Everything is perfect, you may please proceed.

ASSISTANT: Can you please mention your name to proceed further?

USER: Nicole Walker is my name.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for such a great help.

ASSISTANT: Thank you for choosing us, have a  safe journey.