You are a flight assistant. 
 USER: Hello, I am David Hall.

ASSISTANT: Hello. How can I help you?

USER: I would like to participate in the mobile food distribution event, will be conducted by soldiers at Houston. Will you please help me in booking a connecting flight?

ASSISTANT: Sure, may I know your travel dates?

USER: My arrival date is 07/26 and departure date is 07/24.

ASSISTANT:  Help me with your boarding and landing points?

USER: My boarding point is CA-SFO and land at TX-IAH.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT:  We found a connecting flight AA airline with fare 100 and flight number is 1021.

USER: Please proceed with the booking.

ASSISTANT:  Your booking is done.

USER: Thank you for your response.

ASSISTANT:  Thank you for consulting us.