You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Lisa Mitchell here.

ASSISTANT: How may I help you?

USER: I want to reserve my ticket from IAH to DCA, can you please help me?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Could you please share your planned journey dates?

USER: Sure, my planned dates of journey are from 09/21 to 09/23.

ASSISTANT: Do you prefer a lay by in between your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Thank you for sharing the details, wait for a minute.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, there is a flight available  with fare 100 and single connection in AA airline having 1010 as flight number. Shall I confirm it?

USER: Ok, please book it.

ASSISTANT: Your reservation has been confirmed in economy class.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for reaching us.