You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Emily Thompson.

ASSISTANT: How may I aid you?

USER: I need go for Houston, IAH to attend my grand father memorial services.

ASSISTANT: Ok.

USER: Could you help me in booking me a plane on 08/30?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can you please share your return date?

USER: I intend to return on 09/01.

ASSISTANT: I need your destination code to proceed further.

USER: IAH is my destination code.

ASSISTANT: May I know your boarding point?

USER: Boston, BOS is my boarding airport.

ASSISTANT: Thanks for sharing the details.

USER: Ok.

ASSISTANT: Unfortunately, there are no flights found on your route.

USER: Ok, I will choose other airline. Thank you.

ASSISTANT: Thank you for availing us.